In-Depth: Patek Philippe Ref. 5236P In-line Perpetual Calendar
Patek Philippe introduced a bunch of notable new models this year, including the recent “Advanced Research” Minute Repeater Ref. 5750P. The most notable amongst its accessible complications – accessible in a relative sense – is unquestionably the In-line Perpetual Calendar ref. 5236P, an all-new model with a movement developed from the ground up. The ref. 5236P takes its cues from the “linear” perpetual calendar pocket watches of the 1950s and 1960s, namely the ref. 725 with perpetual calendar only, and the refs. 699, 843, and 844 that also included a minute repeater. The nickname stems from the calendar display within a single, horizontal window under 12 o’clock, which instantly sets such watches apart from conventional calendar displays that rely on multiple sub-dials. A ref. 699 from 1956 with linear calendar and minute repeater This same straight-line calendar display has been reproduced on the ref. 5236P – a substantial feat considering its compact size and relatively large calendar window. It was realised with an all-new calendar mechanism with a cleverly designed display, but one still constructed as a traditional, “grand lever” calendar. Initial thoughts Despite its vintage inspiration, the ref. 5236P looks and feels like a contemporary watch, especially because of its colours and size. In the hand the ref. 5236P is substantial, both in diameter and weight. At 41.3 mm it’s one of the biggest perpetual calendar watches Patek Philippe makes. In...
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