Patek Philippe 5370P-001 Split Second Platinum Black Enamel Dial (31397)

31397 Patek Philippe 5370 Split Second Chronograph 5370P-001 5370P001, extremely limited production, platinum case on a strap with a platinum deployant buckle, fully in-house manual wind Patek Philippe Caliber CH 29-535 PS, 65-hour power reserve, 30-minute split second chronograph, split pusher built into the crown, black enamel dial with applied gold Breguet numerals, sapphire crystal, display back, size: 41mm, thickness: 13.5mm. Like New with original box, leather folder with pictures and instructions, additional solid case back, and original certificate dated June 2018.


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More about Patek Philippe 5370P-001 Split Second Platinum Black Enamel Dial

This is a platinum Patek Philippe Split Second Chronograph 5370P-001. It has an alligator leather strap with a platinum deployant Calatrava buckle, and a scratch resistant sapphire crystal. It has rectangular chronograph push buttons, a "turbine" style crown with a split second pusher, and a sealed exhibition sapphire display case back. It includes an interchangeable solid case back stamped with "PATEK PHILIPPE-GENEVE-SWISS," a serial number, and several hallmarks. The 41mm diameter solid three-body case, curved lugs with white-gold cabochons at the ends, and concave bezel, are polished/brushed. The dial is black enamel with applied white gold Arabic Breguet numeral hour markers (the small "email" signature at 6 o'clock is French for "enamel"). There is an outer luminous railroad-style minute/second scale, and around the perimeter is a white luminous tachymeter graduation to 1000 uph. It has white gold leaf hands with SuperLumiNova inserts, and a center sweep seconds hand. There are twin recessed black subsidiary dials with luminous markings, including a running small seconds register at 9 o'clock, and a 30-minute chronograph totalizer is at 3 o'clock. It's water resistant to 30 meters/100 feet, and it has a 55-hour power reserve with the chronograph engaged (65-hours without the chronograph).

This Patek Philippe Split Second Chronograph 5370P-001 has a mechanical manual winding fully in-house Patek Philippe Caliber CH 29-535 PS movement. It's rhodium plated with fausses cotes embellishment, and it's stamped with the Patek Philippe quality mark. It's constructed with 34 jewels, 312 components, a shock absorber device, a straight-line lever escapement, and a monometallic Gyromax balance that's adjusted to heat, cold, isochronism, and 5 positions. It includes a self-compensating free-sprung Breguet balance spring, and the mechanism oscillates at a frequency of 28,800 vph (4 Hz).

The Patek Philippe Split Second Chronograph 5370P-001 was introduced at the Basel World exhibition in 2015 in an extremely limited production.