Patek Philippe caliber CH 28-520 C
Patek Philippe · Movement

Patek Philippe caliber CH 28-520 C

Ref. CH 28-520 C

Chronograph with 60-minute and 12-hour mono-counter. Date. Diameter: 30 mm. Height: 6.63 mm. Parts: 308. Bridges: 13. Jewels: 35. Power reserve: Min. 45 hours - max. 55 hours. Central rotor in 21K gold, unidirectional winding. Balance: Gyromax®. Vibrations/hour: 28 800 (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.

Type
Automatic
Display
Analog
Power reserve
55 h
Frequency
28800 vph
Jewels
35
Diameter
30 mm
Complications
Chronograph, Column wheel, Date, Hours, Minutes

Variants

3
CH 28-520 C/522CH 28-520 C FUSCH 28-520 HU

Used in

12 models