Patek Philippe
Annual Calendar Chronograph 5960 Steel
5960/1A-001
Patek Philippe's annual calendar chronograph, exceptionally rendered in steel.
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Overview
The reference 5960/1A-001 brings together Patek Philippe's integrated annual calendar and flyback chronograph in a 40.5 mm stainless steel case — a combination that remains rare in the maison's catalogue. Its silvery opaline dial is distinguished by red accents and a mono-counter chronograph layout, lending the piece a purposeful, legible character. Produced within the Complications collection, it represents one of the few instances in which Patek Philippe offered this complication pairing in steel.
History
The 5960 line was introduced in the mid-2000s as Patek Philippe's first integrated annual calendar chronograph, housing the in-house calibre CH 28-520 IRM QA 24H — a movement that combines a flyback chronograph, annual calendar, and day/night indication on a single integrated architecture. The reference 5960/1A-001, in stainless steel with red-accented dial, entered production around 2014 and was discontinued by 2018, making its production window relatively brief. Steel-cased Patek Philippe complications of this complexity are historically uncommon, and the reference attracted sustained collector attention from the moment of its introduction.
Notable points
- Calibre CH 28-520 IRM QA 24H integrates a flyback chronograph, annual calendar, and 24-hour day/night indicator within a single manufacture movement.
- Stainless steel casing is atypical for a Patek Philippe complication of this depth, historically reserved more often for precious metals.
- The mono-counter chronograph dial layout consolidates elapsed-time reading into a single subdial, prioritising legibility over visual complexity.
- Red accents on the silvery opaline dial create a restrained but distinctive contrast, setting the 5960/1A-001 apart from other references in the 5960 family.
- The annual calendar mechanism requires only one manual correction per year, at the end of February — a hallmark of Patek Philippe's approach to practical haute horlogerie.
Specifications
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