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Patek Philippe 5960/1A-001 Annual Calendar Chronograph: Steel Reference Guide

The discontinued Patek Philippe 5960/1A-001 pairs a 40.5 mm steel case and bracelet with an annual calendar and flyback chronograph. Here’s how it differs from related references and what to check when buying one pre-owned.
Estimate4–5 min Catalogued SpecialistWatchRanker Team
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The Patek Philippe 5960/1A-001 is the stainless-steel, bracelet-equipped version of the 5960 Annual Calendar Chronograph, with a 40.5 mm case, silvered dial, automatic flyback chronograph, and annual calendar. It is a discontinued reference, so buying it today means evaluating pre-owned examples rather than looking for a current new model.

What is the Patek Philippe 5960/1A-001?

It is a specific steel reference in Patek Philippe’s 5960 Annual Calendar Chronograph family. In the reference, “A” denotes acier, French for steel. Patek Philippe introduced the steel version in March 2014, replacing the then-current gold and platinum versions of the 5960; Christie’s records it as discontinued in 2018. Patek Philippe’s March 2014 announcement describes the 5960/1A, while Christie’s catalog record documents the -001 and its production context.

The reference is distinct from the later black-dial steel 5960/1A-010. Phillips identifies the -001 as the white-dial version with red accents and records both steel references as discontinued in 2018. Phillips’ 5960 family guide provides that distinction.

Case, dial, and bracelet

Christie’s records the -001 with a 40.5 mm stainless-steel case, silvered dial, and matching steel bracelet. The bright dial and red accents help distinguish it visually from the later black-dial -010. The bracelet is part of the reference’s identity: it is not simply a strap version of the same configuration. Christie’s catalog record gives the case and configuration details; Phillips’ family guide identifies the dial variant.

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Movement and functions

Specialist catalog records list the automatic calibre CH 28-520 IRM QA 24H. Its functions bring together a flyback chronograph, annual calendar with day, date, and month displays, power-reserve indication, and day/night indicator. Phillips records the calibre and steel construction, while Patek Philippe’s original 5960 release explains the display and operating features. Phillips’ guide; Patek Philippe’s 2006 Ref. 5960 announcement.

The chronograph’s elapsed minutes and hours share the lower register. The central chronograph hand can run continuously and serve as a seconds hand. The pusher at 4 o’clock resets the chronograph when it is stopped; while it is running, the same pusher triggers the flyback function, resetting and restarting timing without first stopping the hand. These details are described in the manufacturer’s 2006 release.

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How the annual calendar works

The calendar automatically distinguishes months with 30 days from those with 31. It does not account for February’s shorter length, so it is not a perpetual calendar. If the watch has remained running, its calendar needs a one-day manual correction on March 1. Patek Philippe stated this operating rule in its 2006 Ref. 5960 release.

The calendar is displayed through three apertures for day, date, and month, alongside a day/night indicator. That arrangement makes the calendar information directly readable on the dial while the chronograph’s elapsed time is tracked in the lower register. Patek Philippe’s 2006 release describes these displays.

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How the -001 compares with related watches

The most useful comparisons are not just movement or brand comparisons: the exact dial, bracelet or strap, condition, documentation, and service history all affect what a buyer is actually considering.

Watch Material and dial Dimensions Configuration and complications
5960/1A-001 Stainless steel; silvered/white dial with red accents, as documented by Christie’s and Phillips 40.5 mm case diameter, Christie’s catalog record Steel bracelet; flyback chronograph and annual calendar, with power-reserve and day/night indications
5960/1A-010 Stainless steel; black dial, according to Phillips Not stated in the cited family guide Steel reference; Phillips identifies it as the later black-dial variant. Bracelet and other configuration details are not stated in the cited family guide.
5905/1A-001 Steel; current collection example, with dial details on Patek Philippe’s collection page See manufacturer collection page Different reference that also combines a flyback chronograph and annual calendar; consult the current manufacturer page for its configuration

The 5905/1A-001 is useful as successor context, not as another name for the 5960/1A-001. Patek Philippe lists the 5905/1A-001 in its current collection; it is a separate watch.

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What to check when buying a pre-owned 5960/1A-001

Because the steel reference was discontinued in 2018, availability is a pre-owned-market question. Treat any inventory or asking price as specific to the listing and the date you view it; no market-wide current price or production total is established by the cited records.

  • Confirm the exact reference and dial. Check that the watch is presented as the -001, not the later black-dial -010 or another 5960 configuration.
  • Assess condition. Review the case, bracelet, dial, hands, and operation, and ask for clear photographs and an in-person inspection where practical.
  • Check completeness and provenance. Compare the box, papers or origin documentation, accessories, and any available ownership records with what the seller says is included.
  • Ask about service history. Request dated service records and clarify what work was performed and by whom.
  • Evaluate the seller and listing date. Use a reputable specialist or auction house, verify the listing is current, and do not treat one auction result or listing as a market-wide valuation.

A catalog example accompanied by documentation or accessories does not establish that every offered watch is complete or authentic. The condition and documentation of the individual example must be verified independently; Christie’s and Phillips records are references for identification, not authentication of a separate watch.

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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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