Patek Philippe 3970EG-018 Perpetual Calendar Chronograph 18K White Gold / Black Dial (25287)

25287 Patek Philippe 3970EG Perpetual Calendar Chronograph, 3970G, 3970EG-018 3rd Series, 18k white gold case on a strap with a white gold deployment buckle, manual wind Patek Philippe caliber CH 27 70 Q movement, 12 hour chronograph, perpetual calendar with day, date, month, leap year and 24 hour indicator, black gloss dial with applied 18k white gold stick numerals, sapphire crystal, display back, size 36mm, thickness 12.9mm, Like New with original box, hang tag, additional solid case back setting pin and original certificate dated 1 / 2000.

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More about Patek Philippe 3970EG-018 Perpetual Calendar Chronograph 18K White Gold / Black Dial

This is an 18K rose gold Patek Philippe Perpetual Calendar Chronograph 3970EG-018. It has an alligator leather strap with a matching white gold tang buckle, and a scratch resistant sapphire crystal. It has 4 correctors on the band, and a winding crown with the Patek logo. The 36mm diameter solid three-body case, hollowed curved bezel, fluted lugs, and screwed-down transparent sapphire display case back are polished, as are the two round pushbuttons for the chronograph and perpetual calendar. The dial is silver-plated with applied white gold faceted baton and square hour index markers, white gold baton hands, an outer 1/5 seconds track with Arabic numerals, and a center sweep chronograph hand. It has a minute counter and leap year indicator at the 3 o'clock position, a combination moon phase and date subsidiary dial at 6, a combination subsidiary seconds and 24-hour register at 9 o'clock, and day and month aperture windows at 12. It's water resistant to 25 meters/80 feet, and there is a 60-hour power reserve. The 12.9mm case, dial, and movement are all signed. This Patek Philippe Perpetual Calendar Chronograph 3970EG-018 has a manual winding Patek Philippe caliber 27-70 Q movement that's rhodium plated, with a beveled and Cotes de Geneve finish, fausses côtes embellishment, and it's stamped with the Patek Philippe Hallmark. It's constructed with 24 jewels, a shock absorber mechanism, and a straight-line lever escapement. It includes a patented Patek Gyromax balance that's adjusted to heat, cold, isochronism and 8 positions, and a self-compensating free-sprung Breguet balance spring and overcoil. The mechanism oscillates at a frequency of 18,000 vph (2.5Hz).

The Patek Philippe Perpetual Calendar Chronograph 3970EG-018 was introduced in 2011.