Patek Philippe 5970J-001 Perpetual Calendar 5970J Chronograph 18K Yellow Gold (34754)

34754 Patek Philippe 5970 J Perpetual Calendar Chronograph, 5970J, 5970, the yellow gold variant of the 5970 is by far the rarest and least produced of the entire series, yellow gold case is in excellent condition, original yellow gold deployment buckle, manual wind Patek Philippe Caliber CHR 27-70 Q, chronograph, perpetual calendar (day, date, month, leap year, moon phases, AM/PM indicator), 24 hour indicator, silver dial with applied yellow gold baton markers, printed railway minute track with tachymetric scale, size: 40mm, thickness: 12.9mm, sapphire crystal, display back, Like New with additional solid case Back, setting pin, booklets, box, and original certificate dated Jan / 2009.


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More about Patek Philippe 5970J-001 Perpetual Calendar 5970J Chronograph 18K Yellow Gold

This is an 18k yellow gold Patek Philippe Chronograph Perpetual Calendar 5970J-001. It has an alligator leather strap with a yellow gold double deployment clasp, and a scratch resistant sapphire crystal. There is a polished screw-down exhibition sapphire display case back, and there are four correctors for the date/calendar on the case band, including one at 10 o'clock, one at 7 o'clock, and two more are at 12 o'clock on top of the watch. It has rectangular chronograph pushbuttons, and the 40mm diameter solid two-body case, downturned lugs, and cupped bezel are polished. The dial is silver with applied yellow gold baton and square hour markers, gold feuille hands, and a center sweep chronograph hand. It has a railway-style minute/second scale with Arabic numerals every five minutes, and around the perimeter is a tachymeter graduation to 1000 UPH. It has twin rectangular aperture windows at 12 o'clock for the day and month, and there are three recessed subsidiary dials with gold hands, including a combination 30-minute totalizer and leap year indicator at the 3 o'clock position, a combination 24-hour register and constant small seconds dial at 3 o'clock, and there is a moon-phase and date indicator at 6 o'clock. It has a power reserve of 60-hours at full wind, and it's water resistant to 30 meters/100 feet. The 12.9mm thick case, dial, and movement are all signed.

This Patek Philippe Chronograph Perpetual Calendar 5970J-001 has a mechanical manual winding Patek Philippe caliber CHR 27-70 Q (made from a base Lemania caliber 2310 movement) column wheel chronograph movement. It's stamped with the Patek Philippe seal, and it's rhodium-plated, with fausses côtes embellishment. It's constructed with 24 jewels, a shock absorber device, and a straight-line lever escapement. It includes a free-sprung Gyromax balance that's adjusted to heat, cold, isochronism and 8 positions, a self-compensating Breguet balance spring. The mechanism oscillates at a frequency of 18,000 vph (2.5 Hz).

The Patek Philippe Chronograph Perpetual Calendar 5970R-001 was relaunched with a larger case in 2004. It was a traditional chronograph with a combined perpetual calendar. With the base engine being from Lemania, it was the last Patek Philippe Perpetual Calendar Chronograph movement that wasn't produced completely in-house.