IWC IW502702 Big Pilot Annual Calendar Spitfire SS / Grey Dial (35249)

35249 IWC 5027 Big Pilot Annual Calendar Spitfire IW502702 502702 5027-02, stainless steel on a strap with a stainless steel deployant buckle, automatic 7 day IWC caliber 52850 movement, grey dial with luminous hands and Arabic numeral hour indicators, power reserve indicator, annual calendar at 12 o'clock, sapphire crystal, water resistant, diameter: 46mm, thickness: 15.5mm. Like New with original box and papers November of 2017.


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More about IWC IW502702 Big Pilot Annual Calendar Spitfire SS / Grey Dial

This is a stainless steel IWC Big Pilot Annual Calendar Spitfire IW502702. It has a leather strap with a stainless steel double folding deployment buckle, and scratch resistant anti-reflective sapphire crystals secured against displacement in large sudden drops in air pressure. It includes a large gem-shaped screw down winding crown (operable for gloved hands), and a screw down exhibition sapphire display case back engraved with " 6 BAR," and a serial number. The 46mm diameter round solid three-body case, gently curved lugs, and flat bezel, are polished/brushed. The dial is grey with white luminous Arabic numerals at 2, 4, 5, 6, 7, 8, and 10 o'clock, and around the perimeter is a white luminous 60-minute scale with white luminous hour rectangles, and a white luminous triangle braced with two dots at 12 o'clock. It includes luminous "spitfire" hands, and there is an arched triple aperture annual calendar at 12 o'clock, with the month, date, and day; not a perpetual calendar, this annual calendar doesn't make allowance for the leap days in February or the leap years. Once a year, at the end of February, it requires manual correction via the winding crown. There are two light grey sunburst recessed subsidiary dials with white markers and Arabic numerals, and luminous white /red spitfire indicator hands, including a running small seconds register at 9 o'clock with a red hand, and there is a 7-day, 168-hour power reserve dial at 3 o'clock with a luminous white hand. It's water resistant to 60 meters/200 feet, and the 15.5mm thick case, dial, and movement are all signed.

This IWC Big Pilot Annual Calendar Spitfire IW502702 has a mechanical automatic self-winding IWC caliber 52850 (base IWC caliber 52010movement. It's rhodium plated with Cotes de Geneve and perlage embellishment. It's constructed with 36 jewels, two barrels mounted in series, and a shock absorber system. It includes a Glucydur beryllium alloy indexless balance with high-precision adjustment screws on the balance rim, adjusted to 5 positions. It has a Breguet flat-balance spring, a hacking small seconds device for precision time setting, and a rotor with an 18-carat gold IWC "PROBUS SCABUSIA" medallion. The mechanism oscillates at a frequency of 28,800 vph (4 Hz).

The IWC Big Pilot Annual Calendar Spitfire IW502702 was introduced in 2016.