5905/1A Flyback Chronograph Annual Calendar

Reference: 5905/1A-001
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Case: stainless steel
Size: 42mm
Movement: automatic-winding manufacture movement CH 28-520 QA 24H
Function: annual calendar, flyback chronograph
Dial: olive green with sunburst
Hands: luminous
Power Reserve: approximately 45 hours
Water Resistance: 30m
Caseback: sapphire crystal
Strap/Bracelet: stainless steel

Originally purchased in 2022, this Patek Philippe 5905/1A Flyback Chronograph Annual Calendar is in excellent overall condition. The watch is sold as a full set with its original box and papers. Goldsmith & Complications guarantees the watch’s authenticity. All of our pre-owned watches are covered by the manufacturer’s warranty. Read our Pre-Owned Warranty.


This pre-owned Patek Philippe 5905/1A Flyback Chronograph Annual Calendar is the first version offered in a stainless steel case with a matching integrated bracelet. Inside, Patek’s automatic-winding CH 28-520 QA 24H movement powers the watch, which includes a flyback chronograph and an annual calendar.