AUTOMATIC • Analog • Chronograph: Chronograph, Column wheel
Hands: Hours, Minutes, World Time
Jewels
38
Reserve
55 h
Frequency
28,800 vph (4.0 Hz)
Diameter
33 mm
Height
-
About this caliber
Self-winding movement with world time indications and chronograph.
Mechanical self-winding movement
Caliber CH 28-520 HU
Chronograph
30-minute counter
Indication of 24 time zones
Diameter: 33 mm
Height: 7.91 mm
Jewels: 38
Parts: 343
Balance: Gyromax®
Vibrations/hour: 28 800 (4 Hz)
Spiral: Spiromax®
Hallmark: Patek Philippe Seal
Technical details
Movement
AUTOMATIC
Display
Analog
Jewels
38
Power reserve
55 hours
Frequency
28,800 vph (4.0 Hz)
Hands
Chronograph: Chronograph, Column wheel
Hands: Hours, Minutes, World Time