Patek Philippe AQUANAUT LUCE CHRONOGRAPH Mode D'emploi page 5

MOVEMENT
• Caliber CH 28-520
• Self-winding
• Flyback chronograph
• Diameter: 30 mm
• Height: 5.3 mm
• Number of parts: 259
• Number of jewels: 32
• Power reserve:
Min. 45 hours – max. 55 hours
• Winding rotor:
Central rotor in 21K gold,
unidirectional winding
• Balance: Gyromax®
• Frequency:
28,800 semi-oscillations/hour (4 Hz)
• Balance spring: Spiromax®
• Patek Philippe Seal
6
DISPLAYS
Hour hand
Minute hand
Chronograph hand (sweep seconds)
Subsidiary dial:
60-minute counter
CROWN
1 Manual winding
2 Setting the time
PUSHERS
Chronograph start and stop
Chronograph reset and
flyback function
7