patek-philippe-5905/1a-001-flyback-chronograph-annual-calendar
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Available for the first time in steel, the Reference 5905 self-winding flyback chronograph with Annual Calendar radiates a resolutely sporty look. The rhythmic dial features an elegant and casual “sunburst” olive green colour. The integrated bracelet is enhanced by contrasting polished and satin finishes. Thanks to the vertical disk-type clutch, the central chronograph seconds hand can be used as a permanent (running) seconds display. The patented Annual Calendar automatically takes account of 30- and 31-day months, requiring only one correction per year, on March 1st. 

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Patek Philippe 5905/1A-001 Flyback Chronograph Annual Calendar
Patek Philippe 5905/1A-001 Flyback Chronograph Annual Calendar

A Bold & Casual Reinterpretation Of A Complicated Icon

Launched as a platinum model in 2015, then in rose gold in 2019, Reference 5905 combines two practical and easy-to-use complications: a self-winding flyback chronograph and a patented Annual Calendar. The Manufacture is reinterpreting the style of this much sought-after model by unveiling a first version in steel – a rare metal in the Patek Philippe collections – with a three-link integrated bracelet. This bold and casual design renews the way a Patek Philippe complication watch is worn on a daily basis. 

Contemporary Sunburst Green Dial

The extremely rhythmical dial features a new elegant and contemporary sunburst olive green colour. It ensures excellent legibility for the additional functions, with a central chronograph hand, a large 60-minute subdial at 6 o’clock and three day/date/month apertures arranged in an arc for instant reading of the Annual Calendar indications. There is also a discreet day/night indicator at 6 o’clock that is useful for ensuring accurate date setting. 

Housing Calibre CH 28-520 QA 24H

Visible through the transparent sapphire caseback, calibre CH 28-520 QA 24H remains faithful to the traditional column wheel for the transmission of chronograph commands. However, instead of a toothed-wheel horizontal clutch, it has a vertical disk-type clutch. This modern technical solution causes almost no wear and tear, and the central chronograph seconds hand can also be used as a permanent (running) seconds display. The patented Annual Calendar automatically takes account of 30- and 31-day months, requiring only one correction per year, on March 1st. 

Patek Philippe 5905/1A-001 Flyback Chronograph Annual Calendar
Patek Philippe 5905/1A-001 Flyback Chronograph Annual Calendar

Replete With An Array Of Decorative Finishes

The polished steel case features a sophisticated construction with a concave bezel and recessed sides. The integrated steel bracelet is inspired by that of the Aquanaut Reference 5167/1A with its contrasting finishes (polished outer links and satin-finish inner links), while subtly distinguished from it by the underside of the bracelet and the edges which are polished, in line with the case. It is equipped with a patented Patek Philippe fold-over clasp secured by four independent catches. 

The new Reference 5905/1A-001 is joining existing References 5905P-001 in platinum with a blue dial and 5905R-001 in rose gold with brown dial. 

Should you have any questions, please feel free to contact us. Our team of Patek Philippe Watch Specialists would love to assist.

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