Patek Philippe · Automatic
Caliber CH 28-520
Stripped down CH 28-520 chronograph functions with hours, minutes and seconds counter. Column wheel. Balance spring is Spiromax.
Technical Specifications
Winding
Automatic
Power Reserve
55 hours
Frequency
28,800 vph (4 Hz)
Jewels
29
Diameter
30 mm
Watches with this movement(6)
Patek Philippe
Patek Philippe - 4675R-001 Multi-Scale Chronograph 4675 Rose Gold / 175th Anniversary
Ref. 4675R-001 · 37 mm
Patek Philippe
Patek Philippe - 5975G-001 Multi-Scale Chronograph 5975 White Gold / 175th Anniversary
Ref. 5975G-001 · 40 mm
Patek Philippe
Patek Philippe - 5975R-001 Multi-Scale Chronograph 5975 Rose Gold / 175th Anniversary
Ref. 5975R-001 · 40 mm
Patek Philippe
Patek Philippe - 4675G-001 Multi-Scale Chronograph 4675 White Gold / 175th Anniversary
Ref. 4675G-001 · 37 mm
Patek Philippe
Patek Philippe - 5975J-001 Multi-Scale Chronograph 5975 Yellow Gold / 175th Anniversary
Ref. 5975J-001 · 40 mm
Patek Philippe
Patek Philippe - 5975P-001 Multi-Scale Chronograph 5975 Platinum / 175th Anniversary
Ref. 5975P-001 · 40 mm
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