The new Patek Philippe Flyback Chronograph Annual Calendar reference 5905/1A-001 is a resolutely sporty version in steel with an integrated bracelet and a sunburst green dial. Launched as a platinum model in 2015, then in rose gold in 2019, reference 5905 combines two practical and easy-to-use complications: an automatic flyback chronograph and a patented Annual Calendar. The Manufacture is reinterpreting the style of this much sought-after model by unveiling the first version in steel —a rare metal in the Patek Philippe collections— with a three-link integrated bracelet very similar in looks to that of the Aquanaut ref. 5167/1A from which it takes its inspiration. This bold and casual design renews the way a Patek Philippe complication watch is worn on a daily basis.
The extremely rhythmical dial features a new elegant and contemporary sunburst olive green color. 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.
Visible through the transparent sapphire case back, caliber 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.
The polished steel case features a sophisticated construction with a concave bezel and recessed sides. It is equipped with an integrated steel bracelet 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.
The new Reference 5905/1A-001 is joining existing reference 5905P-001 in platinum with a blue dial.
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