Brand: | Patek Philippe |
---|---|
Reference: | CH 28-520 C |
Movement: | Automatic |
Display: | Analog |
Diameter: | 30.00 |
Jewels: | 35 |
Reserve: | 55 |
Frequency: | 28800 |
Date: | Date |
Chronograph: | Chronograph, Column wheel |
Hands: | Hours, Minutes |
Description
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.