Patek Philippe · Automatic

Caliber CH 28-520 IRM QA 24H

Name: Patek Philippe Caliber CH 28-520 IRM QA 24H
Brand: Patek Philippe

The CH 28-520 IRM QA 24H was Patek's first in-house selfwinding chronograph movement.

Technical Specifications

Winding

Automatic

Power Reserve

55 hours

Frequency

28,800 vph (4 Hz)

Jewels

Diameter

33 mm

Watches with this movement(17)

Patek Philippe

Patek Philippe - 5961P-013 Annual Calendar Chronograph 5961

Ref. 5961P-013 · 40.5 mm

Patek Philippe

Patek Philippe - 5960/1A-001 Annual Calendar Chronograph 5960 Stainless Steel / Silver

Ref. 5960/1A-001 · 40.5 mm

Patek Philippe

Patek Philippe - 5960P-015 Annual Calendar Chronograph 5960 Platinum / Blue

Ref. 5960P-015 · 40.5 mm

Patek Philippe

Patek Philippe - 5960G-010 Annual Calendar Chronograph 5960 White Gold / Blue / Moscow

Ref. 5960G-010 · 40.5 mm

Patek Philippe

Patek Philippe - 5961R-010 Annual Calendar Chronograph 5961 Rose Gold / Black

Ref. 5961R-010 · 40.5 mm

Patek Philippe

Patek Philippe - 5960P-016 Annual Calendar Chronograph 5960 Platinum / Black

Ref. 5960P-016 · 40.5 mm

Patek Philippe

Patek Philippe - 5960R-001 Annual Calendar Chronograph 5960 Rose Gold / Grey

Ref. 5960R-001 · 40.5 mm

Patek Philippe

Patek Philippe - 5960R-011 Annual Calendar Chronograph 5960 Rose Gold / Silver

Ref. 5960R-011 · 40.5 mm

Patek Philippe

Patek Philippe - 5961P_sapphire Annual Calendar Chronograph 5961

Ref. 5961P_sapphire · 40.5 mm

Patek Philippe

Patek Philippe - 5960/1P-0XX Annual Calendar Chronograph 5960 Platinum / Blue / Bracelet

Ref. 5960/1P-0XX · 40.5 mm

Patek Philippe

Patek Philippe - 5960/1A-011 Annual Calendar Chronograph 5960 Stainless Steel / Leicester

Ref. 5960/1A-011 · 40.5 mm

Patek Philippe

Patek Philippe - 5960R-010 Annual Calendar Chronograph 5960 Rose Gold / Black

Ref. 5960R-010 · 40.5 mm

Patek Philippe

Patek Philippe - 5960R-012 Annual Calendar Chronograph 5960 Rose Gold / Black

Ref. 5960R-012 · 40.5 mm

Patek Philippe

Patek Philippe - 5960P-001 Annual Calendar Chronograph 5960 Platinum / Grey

Ref. 5960P-001 · 40.5 mm

Patek Philippe

Patek Philippe - 5960/01G-001 Annual Calendar Chronograph 5960 White Gold / Blue

Ref. 5960/01G-001 · 40.5 mm

Patek Philippe

Patek Philippe - 5961P-001 Annual Calendar Chronograph 5961 Platinum / Blue

Ref. 5961P-001 · 40.5 mm

Patek Philippe

Patek Philippe - 5960/1A-010 Annual Calendar Chronograph 5960 Stainless Steel / Black

Ref. 5960/1A-010 · 40.5 mm

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Cal. 17''' LEP PSAutomatic

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Cal. 17''' LEP PS IRMAutomatic

36h reserve · 16 watches

Cal. 17''' SAV PSAutomatic

50h reserve · 5 watches

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