Patek Philippe 3970J Perpetual Calendar Chronograph 18K Yellow 2nd Series FULL SET
Description
Patek Philippe 3970EJ Perpetual Calendar Chronograph, 3970J, second series with leaf hands and squared markers, this early series was only introduced with a solid back and no display back, this series was always fitted with a tang buckle, yellow gold case on a strap with a yellow gold tang buckle, hallmarks on the back case are thick and defined, chronograph, perpetual calendar (day, date, month, leap year, moon phases), manual wind, 24-hour indicator, sapphire crystal, water resistant to 25 meters, the caseback hallmarks are deep and bold, size: 36mm, thickness: 12.9mm. Like New with original box, papers, archive certificate, and original Patek certificate dated March of 1988.
Product price
SOLD
More about 3970J Perpetual Calendar Chronograph 18K Yellow 2nd Series FULL SET
This is an 18K yellow gold Patek Philippe Perpetual Calendar Chronograph 3970E. It has a leather strap with a matching 18K yellow gold deployment clasp, and a scratch resistant sapphire crystal The 36mm diameter solid three-body case, downturned lugs, and rounded stepped bezel are polished. There is a screwed-down sapphire crystal display back with a setting pin and an additional solid case back. It has a satiné silver dial with applied yellow gold faceted "boat-shaped" baton hour indexes and feuille hands. A grand complication watch, it has a round-button chronograph and perpetual calendar with subsidiary dials for the seconds and for 24 hours at 9 o'clock, the 30-minute register at 3 o'clock, and the moon phase and days of the month at 6. The day of the week and the month are indicated in twin window apertures at 12. It's water resistant to 25 meters/90 feet, and the 12.9mm thick case, dial, and movement are all signed. This Patek Philippe Perpetual Calendar Chronograph 3970E has a mechanical manual winding caliber CH 27-70 Q (based on the Lemania caliber 2310) column wheel movement that's rhodium-plated with Cotes de Geneve embellishment, and the stamp of the Seal of Geneva quality mark. It's constructed with 24 jewels, a shock absorber mechanism, and a straight-line lever escapement. It includes a self-compensating Breguet balance spring, and the patented Patek Philippe Gyromax balance that compensates for cold, heat, isochronism, and 8 positions. The case, dial, and movement are all signed. The mechanism oscillates at a frequency of 18,000 vph (2.5 Hz). The Patek Philippe Perpetual Calendar Chronograph 3970E was released in 1991 and it was produced until 2004.
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