Patek Philippe · Automatic

CH 28-520

Stripped down CH 28-520 chronograph functions with hours, minutes and seconds counter. Column wheel. Balance spring is Spiromax.

Patek Philippe caliber CH 28-520 movement
Winding
Automatic
Power Reserve
55 hours
Frequency
28,800 vph (4 Hz)
Jewels
29
Diameter
30 mm

Watches with this movement

6

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