Patek Philippe · Movement
Patek Philippe caliber CH 28-520 C/522
Ref. CH 28-520 C/522
Flyback chronograph. Central chronograph hand. 60-minute and 12-hour monocounter. Date in an aperture. Diameter: 30 mm. Thickness: 6.63 mm. Number of parts: 327. Bridges: 13. Jewels: 35. Power reserve: min. 45 hours - max. 55 hours. Winding rotor: 21K gold central rotor. Balance: Gyromax®. Frequency: 28,800 semi-oscillations/hour (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
- Base caliber
- Patek Philippe caliber CH 28-520 C
