New and Used Calendar Watches Watches at European Watch Co.

Incoming:

  • 28841
    Patek Philippe Perpetual Calendar Chronograph 18K Yellow Gold (3rd Series) Ref. No 3970EJ 

These watches will be available soon. Please contact us if you are interested in any of them.

  • Breitling E7936310/BC27 Aerospace EVO
Titanium / Black Dial

    28465 Breitling E79363 Aerospace EVO, E7936310/BC27, titanium case on a titanium bracelet, COSC quartz movement, /100th second chronograph, countdown timer, alarm, 2nd timezone, digital minute repeater, perpetual day and date, luminous hands & hour markers, black dial with applied luminescent indexes, sapphire crystal, water resistant, diameter: 43mm, thickness: 10.8mm, Like new with Box, Papers, extra strap and papers dated February 2016.

  • Mathey Tissot  Vintage Triple Calendar Chronograph Moonphase Manual Wind SS

    28540 Vintage Mathey Tissot Triple Calendar Moonphase Chronograph stainless steel case on a strap with a stainless steel tang buckle, Valjoux 88 manual wind movement, circa 1950s, silver dial with steel stick markers, steel dauphine hands, excellent condition for its age, diameter: 35 mm, thickness: 9.5mm, papers are in German and European Watch Company 6 Month Warranty. This watch was just fully serviced.

  • Patek Philippe 5550P-001 Advanced Research Perpetual Calendar COMPLETE

    28784 Patek Philippe 5550 P Advanced Research Perpetual Calendar 5550P 001, Released in 2011 and limited edition to 300 pieces, 950 platinum case strap with a platinum deployant buckle, automatic Patek Philippe calibre 240 Q Si, "Oscillomax" silicon escapement system, "GyromaxSi balance wheel, "Pulsomax" escape wheel and lever, "Spiromax" balance spring, 70 hour power reserve, perpetual calendar, day, date, month, moon phase, silver dial with vertical brushing and applied gold hour markers, gold luminous hands, diameter: 37mm, thickness: 9mm, sapphire crystal, display back with magnifying lens over the escapement, water resistant to 2.5 atm, Like New with Original winding box, extra Platinum case-back and pusher tool, Booklets and Papers; dated 5/2012.

  • Patek Philippe 5040P Perpetual Calendar Tonneau Platinum Silver Arabic Numerals

    28795 Patek Philippe 5040P Perpetual Calendar, 5040P, 5040, platinum on a strap with a platinum deployant buckle, automatic Patek Philippe caliber 240 Q movement, day, date, month, year, moon phase, 24 Hours indicator, leap year, silver dial with applied white gold Breguet numerals, sapphire crystal, water resistant, solid caseback, size: 35mm x 42.5mm (including lugs), thickness: 9mm. Like New with original winding box and and archive papers (on order).

  • Patek Philippe 5350R-001 Advanced Research Annual Calendar COMPLETE

    28796 Patek Philippe 5350R Advanced Research Annual Calendar, 5350R-001, limited edition to 300 pieces, 18k rose gold on a strap with an 18k rose gold deployant buckle, automatic movement (Calibre 324 S IRM QA LU), silicon escape wheel, Spiromax balance spring, annual calendar, day, date, month, moon phase, power reserve indicator, centered sweep second hand, grey dial with applied numerals and hour markers, diameter: 39 mm, thickness: 11.2 mm, sapphire crystal, display back with engraved inscription "Patek Philippe Advanced Research", water resistant to 2.5 atm, Like New with box and papers dated November 2007

  • Patek Philippe 5396G-014 Annual Calendar Anthracite Dial 18K White Gold

    28804 Patek Philippe 5396 Annual Calendar, 5396G-011, 5396G014, 18k white gold on a strap with an 18k white gold deployant buckle, automatic Patek Philippe caliber 324 S QA LU 24H, date, moonphase and 24-hour indication at 6 o'clock, day and month windows at 12 o'clock, centered sweep second hand, silver dial, sapphire crystal, display back, water resistant, diameter: 38mm, thickness: 11.5mm, Like New with box and papers dated December 2017.

  • A. Lange and Sohne 330.026 Saxonia Annual Calendar 18K White Gold

    28812 A Lange & Sohne 330.026 Saxonia Annual Calendar, 330026, 18K white gold with a white gold tang buckle, silver dial with blued steel hands and applied hour markers, day, month and moonphase, big date indicator at 12 o'clock, display back, sapphire crystal, size: 38.5mm, thickness: 9.8mm. Like New with original box and papers which are dated January 2013.

  • Blancpain 6639-3631-55B Villeret Moonphase Complete Calendar 8 Day 18K Rose Gold

    28827 Blancpain 6639-3631-55B Villeret Moonphase Complete Calendar 8 Day, 6639363155B, Limited to 275 total pieces, 18K rose gold case on an alligator leather strap with an 18K rose gold double deployant buckle. Automatic Blancpain Calibre 6639 movement, 8-day power reserve, day / date / moon indicator, calendar adjusted with corrector buttons hidden behind the lugs, white enamel dial with painted Roman Numeral hour markers, leaf shaped rose gold hands, sapphire crystal, size 42mm, thickness 13.2mm. Like New with original box and papers dated May 2018.

  • Patek Philippe 5960R-001 Annual Calendar Chronograph 18K Rose Gold

    28578 Patek Philippe 5960 R Annual Calendar Chronograph 5960R-001 5960R001, 18k rose gold on a strap with a rose gold deployant buckle, automatic Patek Philippe caliber CH 28-520 IRM QA 24H movement, annual calendar, day, date, month, power reserve indicator, chronograph with flyback function, centered sweep seconds hand, silver dial with applied stick markers, sapphire crystal, display back, water resistant, diameter: 40.5mm, thickness: 13.55mm. Like New with box and archive certificate dated December of 2009

  • A. Lange and Sohne 101.030 Lange 1 Grey Slate Dial White Gold

    28472 A. Lange & Sohne 101.030 Lange 1 101030, very rare with slate grey dial, 18k white gold on a strap with an 18K white gold tang buckle, manual wind caliber L901.2, 72-hour power reserve, grey dial with white gold alpha hands and applied hour markers, date, small seconds, power reserve indicator, applied roman numerals, water resistant, diameter: 38.5, thickness: 9.9mm, Like New with Original Box, Hang Tag, and Full Papers; dated 1/2005

  • Patek Philippe 3940J-022 Perpetual Calendar Yellow Gold / Roman Numerals

    28439 Patek Philippe 3940J Perpetual Calendar 3940 J 022 3940-022, 18K yellow gold on a strap with an 18K yellow gold deployant buckle, automatic perpetual calendar (English) with, day, date, month, moonphase, 24 hours indicator, leap year indicator, very rare white dial with black Roman numerals and javelin hands, sapphire crystal, water resistant, diameter: 36mm, thickness: 9mm, Like New with original winding box, additional solid case back, setting pin, and certificate dated 1999.

  • Vacheron Constantin 47245/000R Patrimony 31 Day Retrograde 18K Rose Gold

    28388 Vacheron & Constantin 47245 Patrimony 31 Day Retrograde 18K Rose Gold, 47245/000R, 18k Rose Gold on a Strap with an 18k Rose Gold Buckle, Automatic Movement, Caliber 1126/1, 36 Jewels, Retrograde Date, Day, Textured silver with Applied Rose Gold Roman Numerals and Round Indexes, Display Back, Sapphire Crystal, Water Resistant to 3 atm, Size: 37 mm, Thickness: 10.1mm, Like New with Original Box and Papers dated 2001.

  • Rolex 18238 Day Date President Champagne Dial 18K Yellow Gold

    28376 Rolex 18238 oyster perpetual Day Date president, 18k yellow gold on a 18k yellow gold presidential bracelet the case and bracelet are in outstanding original condition, automatic, COSC, screw down crown, champagne dial with applied gold stick markers, date at 3 O'clock, day at 12 O'clock, sapphire crystal, water resistant to 10 atm, W series (1995), size: 36 mm, thickness 12.4 mm, both watch and bracelet are in excellent condition, Like New with original box and papers; dated July 1997.

  • Patek Philippe 5036/1R-001 Annual Calendar Moonphase 18K Rose Gold / Bracelet

    28281 Patek Philippe 5036 Annual Calendar 5036R 5036/1R-001 50361R001, 18k rose gold on an integral 18k rose gold bracelet, automatic Patek Philippe caliber 315/199 movement, annual calendar, day, date, month, moon phase, power reserve indicator, sapphire crystal, water resistant to 2.5 atm, diameter: 37 mm, thickness: 11mm, Like New with original box, setting pin, and papers, dated 3/2005

  • Patek Philippe 5146P-001 Annual Calendar Grey Dial Platinum

    28278 Patek Philippe 5146 P Annual Calendar, 5146P-001, 5146P, platinum on a strap with a platinum deployant buckle, automatic Patek caliber 324 S movement, annual calendar, day, date, month, moonphase, power reserve indicator, centered sweep seconds hand, grey dial with applied numerals, diamond on the case at 6 O'Clock, sapphire crystal, display back, water resistant to 2.5 atm, diameter: 39mm, thickness: 11.2mm. Like New with box and papers dated August 2008.

  • Rolex 1803 Oyster Perpetual Day Date 18K Yellow Gold

    28264 Rolex 1803 Oyster Perpetual Day Date, 18K yellow gold case on a strap with 18k gold tang buckle, automatic movement, date, day(Spanish), COSC, non-quick set, centered sweep seconds hand, original champagne dial with applied yellow gold indexes, lume plots are full and intact, matching patina with luminous hands, acrylic crystal, 501xxxx serial (circa 1977), diameter: 36mm, thickness: 12mm, excellent condition with European Watch Company pouch and warranty card.

  • Patek Philippe 5960R-010 Annual Calendar Chronograph 18K Rose Gold

    28204 Patek Philippe 5960 R Annual Calendar Chronograph 5960R-010 5960R010, 18k rose gold on a strap with a rose gold deployant buckle, automatic Patek Philippe caliber CH 28-520 IRM QA 24H movement, annual calendar, day, date, month, power reserve indicator, chronograph with flyback function, centered sweep seconds hand, blackdial with applied stick markers, sapphire crystal, display back, water resistant, diameter: 40.5mm, thickness: 13.55mm. Like New with box and certificate dated November 2014.

  • A. Lange and Sohne 310.026 Langematik Perpetual Calendar Black Dial 18K White Gold

    27794 A. Lange & Sohne 310.026 Langematik Perpetual Calendar 310026, 18K white gold on a strap with an 18K white gold deployant buckle, automatic A. Lange & Sohne Caliber L922.1, black dial with Roman numerals, day, big date, month, moon phases, leap year, 24 hour indicator, display back, sapphire crystal, water resistant to 3 atm, size: 38.5 mm, Thickness: 11mm, Like New with original winding box, setting pin and certificate dated 07 / 2015.

  • Breitling V7333010/C939 Chronospace EVO Night Mission

    28661 Breitling V7333010 Chronospace EVO Night mission, V7333010/C939, titanium case on a blue rubber strap with a titanium tang buckle, COSC Breitling Caliber 73 SuperQuartz movement, large central seconds, central minute counter hand with red tip, date window between 4 and 5 o'clock, small seconds at 6 o'clock, 12-hour counter at 10 o'clock, and 1/10th of a second counter is located at the 2 o'clock position, luminous hands & hour markers, blue dial with applied luminescent indexes, sapphire crystal, water resistant to 100 meters, diameter: 43mm, thickness: 12.6mm. Like New with box and papers dated July of 2017.

  • A. Lange and Sohne 310.025 Langematik Perpetual Calendar Platinum

    28705 A. Lange & Sohne 310.025 Langematik Perpetual Calendar, 310025, platinum on a strap with a platinum tang buckle, automatic caliber L922.1, day, big date, month, moon phases, leap year, 24 hour indicator, silver dial, display back, sapphire crystal, water resistant to 3 atm, size: 38.5 mm, thickness: 11mm, Like New with winding box and original papers dated January 2005

  • IWC IW500916 Big Pilot "LE PETIT PRINCE" Blue Dial

    28544 IWC IW500916 Big Pilot "LE PETIT PRINCE", 5009-16, 500916, stainless steel case on a Santoni calf strap with a deployant buckle, automatic IWC Caliber 51111 7-day movement, power reserve indicator, date at 6 o'clock, midnight blue dial with applied large luminous Arabic numerals, pilot style crown, center sweep seconds, sapphire crystal, case back depicting Little Prince "struggling against seeds of the baobab tree, size 46mm. Like New with original box, booklets, and warranty card dated October 2017.

  • Patek Philippe 5396R-001 Annual Calendar Sector Dial 18K Rose Gold

    28766 Patek Philippe 5396 Annual Calendar, 5396R-001, 5396R001, 18k rose gold on a strap with an 18k rose gold deployant buckle, automatic Patek Philippe caliber 324 S QA LU 24H, date, moonphase and 24-hour indication at 6 o'clock, silver sector dial, day and month windows at 12 o'clock, centered sweep second hand, silver dial, sapphire crystal, display back, water resistant, diameter: 38mm, thickness: 11.5mm, Like New with original box and papers dated May 2008

  • IWC IW501005 Big Pilot BRONZE Black Dial

    28756 IWC IW501005 Big Pilot BRONZE Black Dial, 501005, Bronze case on a Santoni calf strap with a bronze tang buckle, automatic IWC Caliber 52110 7-day movement, power reserve indicator, date at 6 o'clock, Black dial with applied large luminous Arabic numerals, pilot style crown, center sweep seconds, sapphire crystal, size 46mm. Like New with original box, booklets, and warranty card dated December 2017, the case has a nice patina'd bronze polish look to it.

  • Universal Geneve 881101/03 Vintage Exotic Slate Dial Tri Compax SS / Bracelet

    28761 Universal Geneve 881101/03 Exotic Slate Dial Tri Compax, 881101 03, 88110103, extremely rare and is the exotic "Paul Newman" of all the Universal Geneve lines, the stainless steel case is in excellent condition, 1970 Universal Geneve USA bracelet with 76 end links, caliber 281 movement with day, date and month indicator (english calendar), moonphase, chronograph, original slate dial is in fantastic condition with nicely aged markers, tritium on the dial and hands are original and are very bright and clean, overall the dial is exceptionally clean, the white gives very nice contrast to the dial, black bezel insert, the case back engravings are clear with serial number 2'684'7XX and model number 881101/04 visible, diameter: 36mm, thickness: 12mm, Excellent Condition for a Universal Geneve Tri - Compax and an important watch for discerning vintage collector. Extracts from the UG Archives are on order.

  • Patek Philippe 5726A-001 Nautilus Annual Calendar Moon SS Grey Dial

    28680 Patek Philippe 5726 A Nautilus Annual Calendar, 5726A-001, 5726A001, stainless steel on a strap with a stainless steel deployant buckle, automatic patek philippe caliber 324 S QA LU 24H, date, month in apertures, moon phases and am/pm indicator, grey dial with luminescent hands and index numerals, sapphire crystal, display back, water resistant 120 meters, size: 40.5mm, thickness: 11mm, Like New with box and papers dated September 2011

  • Patek Philippe 5146G-010 Annual Calendar 18K White Gold Slate Dial

    28576 Patek Philippe 5146 G Annual Calendar, 5146G-010, 5146G, 18k white gold on a strap with an 18k white gold deployant buckle, automatic movement, annual calendar, day, date, month, moonphase, power reserve indicator, centered sweep seconds hand, slate gray dial with applied markers and Arabic numerals, sapphire crystal, display back, water resistant to 25m, diameter: 39mm, thickness: 11.2mm, like new with box and papers dated 3/2007.

  • Patek Philippe 5270G-001 Perpetual Calendar Chronograph 18K White Gold SEALED

    28678 Patek Philippe 5270 Perpetual Calendar Chronograph SEALED, 5270G-013, 18K white gold with an 18K white gold deployant buckle, manual wind Patek Philippe caliber CH 29-536, perpetual calendar, leap year indicator, day / night indicator, 65 hour power reserve, silver dial, charcoal hands / markers, sapphire crystal, display back, size: 41mm, thickness: 12.4mm, Sealed with additional solid case back, setting pin, original box and certificate dated December 2012

  • Patek Philippe 5136/1G-001 Perpetual Calendar 18K White Gold Bracelet COMPLETE

    28499 Patek Philippe 5136 Perpetual Calendar 5136G, 18k white gold on an 18k white gold bracelet, automatic Patek caliber 240 movement, opaline-white dial with hour markers, month, day, date, am/pm indicator, moon phase, leap Year indicator, diameter: 37 mm, thickness: 10.5 mm, sapphire crystal, display back, water resistant, Like new with original winding box, setting stylus, extra solid caseback, and papers; dated 6/2004.

  • IWC IW503501 Portuguese Annual Calendar SS Silver Dial

    28702 IWC 5035 Annual Calendar IW503501, 5035-01, 503501, stainless steel on a strap with a stainless deployant buckle, automatic IWC caliber 52850, annual calendar, 7 day power reserve display, small hacking seconds at 9 o'Clock, silver dial with applied silver arabic numerals, steel hands, sapphire crystal, display back, water resistant to 30 meters, diameter: 44.2 mm, thickness: 15.3 mm, Like New with Original Box and Papers, dated March 2016.

  • Patek Philippe 3940  Perpetual Calendar 3940 '1st Series'RARE

    28349 Patek Philippe 3940 First Series, this 3940 first series was made in 1986, 18k yellow gold case is in immaculate original condition and appears to be unpolished (can be touched up at no additional cost if the new owner wishes), hallmarks at 9 o clock are clear bold and defined, original 18k yellow gold tang buckle, automatic Patek Philippe caliber 240 Q movement, perpetual calendar (english), moonphase, leap year indicator, dial has the iconic sunken sub dials unlike dials of the later series, dial is free of flaws, glass crystal, size 36mm, thickness 8mm, Excellent Condition with original Patek Philippe box (interior has deteriorated over time which is common with Patek boxes of this age), original leather booklet with instructions, original alligator strap, setting pin, archive certificate and original certificate dated June 1986.

  • A. Lange and Sohne 310.032 Langematik Perpetual Calendar 18K Rose Gold / Deployment

    27586 A. Lange & Sohne 310.032 Langematik Perpetual Calendar 310032, 18K rose gold on a strap with an 18K rose gold deployment buckle, automatic A. Lange & Sohne caliber L922.1, day, big date, month, moon phases, leap year, 24 hour indicator, display back, sapphire crystal, water resistant to 3 atm, size: 38.5 mm, Thickness: 11mm, Like New with original box and papers that are stamped with full 2 year Lange warranty.

  • A. Lange and Sohne 310.025 Langematik Perpetual Calendar Platinum

    28435 A. Lange & Sohne 310.025 Langematik Perpetual Calendar 310025, platinum on a strap with a platinum tang buckle, automatic A. Lange & Sohne caliber L922.1, day, big date, month, moon phases, leap year, 24 hour indicator, silver dial, display back, sapphire crystal, water resistant to 3 atm, size: 38.5 mm, thickness: 11mm, Like New With original winding box and papers that are dated August 3 (and no year filled in)

  • Patek Philippe 5960/01G-001 Annual Calendar Chronograph White Gold Blue Dial 5960/01G UNWORN

    28444 Patek Philippe 5960/01G 5960G Annual Calendar Chronograph, 5960/01G, 596001G white gold on a strap with a white gold tang buckle, automatic calibre CH 28-520 movement, annual calendar, day, date, month, power reserve indicator, chronograph with flyback function, centered sweep seconds hand, blue dial with applied stick markers, sapphire crystal, display back, water resistant, diameter: 40.5mm, thickness: 13.55mm, Unworn with box and papers dated March 2018

  • Rolex 1803 Oyster Perpetual Day Date 18K Yellow Gold

    28662 Rolex 1803 Oyster Perpetual Day Date, 18K yellow gold on an 18k yellow gold President bracelet, automatic Rolex caliber 1556 movement, date, day, COSC, non-quick set, centered sweep seconds hand, silver dial with applied yellow gold indexes, lume plots are full and intact, matching patina with luminous hands, acrylic crystal, 317XXX (1972), diameter: 36mm, thickness: 12mm. Excellent condition with original box, booklets, and European Watch Company 6-month warranty card.

  • Patek Philippe 5159R-001 Retrograde Perpetual Calendar 18K Rose Gold

    28679 Patek Philippe 5159 R Perpetual Calendar Retrograde, 5159R-001, 5159R001, 18k rose gold on a strap with an 18k rose gold deployment buckle, automatic movement, day, retro date, month, moonphase, leap year, centered sweep seconds hand, half hunter case, silver dial with center guilloche, sapphire crystal, water resistant to 25 meters, size: 38mm, thickness: 12.4mm, Like new with box, tags and papers dated July 2011

  • Patek Philippe 5396G-001 Annual Calendar Sector Dial 18K White Gold

    28685 Patek Philippe 5396 Annual Calendar, 5396G-001, 18k white gold on a strap with an 18k white gold deployant buckle, automatic movement, caliber: 324 S QA LU 24H, Date, moonphase and 24-hour indication at 6 o'clock, day and month windows at 12 o'clock, centered sweep second hand, 2 tone silver dial, diameter: 38mm, thickness: 11.5mm, sapphire crystal, display back, water resistant, Like New with original box and papers dated November 2011

  • Patek Philippe 5139G-010 Perpetual Calendar Silver Dial 18K White Gold

    28686 Patek Philippe 5139 Perpetual Calendar, 5139G-010, 5139G, 5139G010, 18k white gold case with a white gold deployment buckle, iconic hobnail bezel, automatic Patek Philippe perpetual calendar 240 Q caliber, day, date, month, moon phase and leap year indicator, silver matte dial with white gold applied indexes, leaf style hands, white accents complement nicely against the dial, sapphire crystal, display back, size 38mm, thickness 8.5mm, Like New with original winding box, additional solid case back, white gold setting pin and original certificate dated July 2011

  • H. Moser & Cie 1341.0102 Endeavour Perpetual Calendar 1 18k Rose Gold EXTRA DIAL

    28170 H. Moser & Cie 1341.0102 Endeavour Perpetual Calendar 1, 1341501001, comes with an additional black dial in addition to the blue one on the watch by special order, 18k rose gold case with an 18k rose gold deployant buckle, manual wind H. Moser & Cie caliber HMC 341.501, blue sunburst dial with applied rose gold markers, leaf hands, date at 3 o'clock, the small hand in the center points to the twelve hour markers signaling the month, small seconds at 6 o'clock, power reserve at 9 o'clock, leap year indicator on back, sapphire crystal, display back, water resistant, size 41mm, thickness 11.5mm, Like New with original box, open papers, and extra matte black dial. This watch was just fully serviced by the factory in July 2017.

  • A. Lange and Sohne 330.026 Saxonia Annual Calendar 18K White Gold

    28643 A Lange & Sohne 330.026 Saxonia Annual Calendar 330026, 18K white gold with a white gold double deployant buckle, silver dial with blued steel hands and applied hour markers, day, month and moonphase, big date indicator at 12 o'clock, display back, sapphire crystal, size: 38.5mm, thickness: 9.8mm. Like New with original box and papers which are dated 4/2015.

  • Roger Dubuis H40 5630 5 Hommage Bi-Retrograde Chronograph Silver Dial 18K Rose Gold

    28534 Roger Dubuis Hommage Bi-Retrograde Chronograph, H4056305, limited edition to 28 pieces, 18k rose gold on an alligator strap with an 18k rose gold deployant buckle, manual Wind movement (RD 5630), white dial with arabic numerals, chronograph, retrograde day and date, display back, size: 40mm, thickness: 11 mm, water resistant to 5 atm, like new with original box and papers dated December 2000.

  • Jaeger LeCoultre Q5046520 Master Grande Tradition Tourbillon Cylindrique Quantieme Perpetuel Plati

    28567 Jaeger LeCoultre Q5046520 Master Grande Tradition Tourbillon Cylindrique Quantieme Perpetuel, limited to 180 pieces, 5046520 504.65.20, 950 platinum case on a strap with a 950 platinum tang buckle, automatic Jaeger LeCoultre caliber 985 with cylindrical tourbillon visible at 6 o'clock, perpeutal calendar with 4 digit year, day, date, month, and moonphase, textured silver dial with painted black hour markers and outer minute track, sapphire crystal, display back, water resistant, diameter: 42mm, thickness: 13mm, Like New with Original Box and Papers; dated 6/2016.

  • Patek Philippe 5050J Retrograde Perpetual Calendar 18K Yellow Gold

    28194 Patek Philippe 5050 Retrograde Perpetual Calendar 5050J, 5050J, 5050, 18K yellow gold case with an 18K yellow gold deployment buckle, the case is in excellent condition with hallmarks clear and bold, automatic Patek Philippe caliber 315-s-QR aut, movement, day, date, silver dial with applied roman numerals, sapphire crystal, display back, size 36mm thickness 10.6mm, Like New with archive certificate, original additional solid case back, setting pin, and winding box and original certificate that is undated. The watch was manufactured in 1998.