The new Patek Philippe Regulator Calendar Ref. 5235 Watch contains lots of new characters, which are never shown in before collections. This is the first Patek Philippe watch that is equipped with regulator dial and center minute hand. The hour hand sub-dial located in the position of 12 o’clock, and the second hand placed in the position of 6 o’clock. The movement of this watch is a new movement-blank that contains all Silinvar parts: Pulsomax escapement wheel and fork, as well as Spiromax barrels, all of these are made from creative Si material. Ref. 5235 watch has the functions of calendar, month, week and date display. These are the most popular functions of Patek Philippe watches.

Patek Philippe Regulator Calendar Ref. 5235 Watch is equipped with the new 31-260 REG QA movement, which is the first ultra-thin automatic movement developed by brand. The mini movement located in the position of 6 o’clock. Patek Philippe Regulator Calendar Ref. 5235 Watch clearly shows watchmaker’s concept: the ultimate goal of watch is precise and reliable. The centre hand matches well with auxiliary hour hand (located in the position of 12 o’clock) and auxiliary second hand (placed in the position of 6 o’clock), which pays tribute to the excellent floor standing-shaped precise pendulum clock. This precise chronometer was regarded as accurate school timer by watchmaking factory and Observatory in early 200 years ago.
The new Patek Philippe Regulator Calendar Ref. 5235 Watch once again shows how Geneva watchmaking factory perfectly combines pioneer aesthetics and timeless elegance. The creative style of this watch lies in both appearance and movement’s new standard set for watchmaking technology.
18K White Gold Regulator Calendar Ref. 5235 Watch
Movement: Caliber 31-260 REG QA Ultra-thin self-winding mechanical movement
Function: month, date and week display
Diameter: 33 mm (Movement-blank 31.74 mm, calendar 33.00 mm)
Thickness: 5.08 mm (Movement-blank 2.60 mm, calendar 2.48 mm)
Parts: 320 parts (Movement-blank 181 parts, calendar 139 parts)
Jewelry: 29 pieces
Power reserve: 60 hours
Winding movement: 22k gold mini movement
Balance Wheel: Gyromax
Vibration: 23,040 times per hour
Spring: Spiromax
Escapement: Pulsomax(Silinvar fork and Escapement Wheel)
Case: 18K white gold case
Case back: transparent sapphire crystal case back
Water resistance: 30 meters
Case dimension:
Diameter: 40.5 mm
Thickness: 10.65 mm
Dial: double tone silver grey dial
Strap: crocodile leader strap with 18K white gold clasp engraved with “Patek Philippe”.
