![]() ![]() Rather than incorporating the typical subdial counters of a conventional chronograph, the watch chose to use mono-subdial counters. Alongside a case finished in 950 platinum, the small calendar displays lay within miniature windows made of gold. Three individual calendar windows between ten and two o’clock display weekday, date and month. To avoid complete chaos on the dial, factoring in the subdials for the opposing roles of the calendar and chronograph, the watchmakers came up with a smart alternative. The calibre CH 28-520 IRM QA 24H (with Patek’s Spiromax spiral), which was created entirely in the Patek ateliers, from development of the movement to the finished calibre. On this particular occasion, the manufacture introduced its first industrially finished automatic chronograph movement. Firstly, Patek Philippe combined an annual calendar with a chronograph. It was, in numerous ways, something very different. A brand new style – Reference 5960 2006: Patek Philippe 5960Pįollowing ten years of predominantly dress-watch-like annual calendars, the Reference 5960P suddenly appeared in 2006. In this series, other versions in white gold, rose gold, and platinum also made an appearance. The calibre even has 41 more components – 316, in contrast to 275. Ironically, the production of the annual calendar calibres 315 S QA was much more challenging than that of the perpetual calendar. The advantage of this is that the rotations can happen more easily and are also easier to control than the to- and fro-motions of levers. The watchmakers at the manufacture developed a patented system, with which the control of the calendar function takes place upon the wheels and pinions, rather than the more lever-dependant perpetual construction. ![]() Therefore, only once a year (always on March 1) does the function require adjusting. An annual calendar lies between a normal calendar, which requires correction five times in the year (in the months with less than 31 days), and the perpetual calendar, which does not need correction.Ĭonversely, Patek’s annual calendar takes into account the various length of months with 30 and 31 days. In 1996, the manufacture launched the first ever annual calendar, the Reference 5035J. Once again, it was Patek Philippe who were one step ahead. The first wristwatch with annual calendarĪn easier, more user-friendly, but nevertheless innovative calendar function was always bound to please a new generation of watch lovers. This remained until 1941, when it began production as a series for the first time. 97 975, making its name as the first wristwatch with perpetual calendar ever. In 1929, the manufacture presented the No. By 1889, Patek Philippe had filed a patent for its perpetual calendar mechanism for pocket watches. When talking about the calendar function, one cannot help but mention Patek Philippe’s accomplishments in this area. Master of the mechanical calendar functions The first wristwatch with perpetual calendar But now also the last remaining model of this collection reference 5960/01G retires. Its evolution has been somewhat turbulent. Not least since a steel version appeared in 2014 – and this from Patek Philippe, no less. Its autonomous aesthetic certainly attracts attention. ![]() ![]() Secondly, despite the fact that it is indeed somewhat the odd one out, it’s ultimately a much sportier piece than any other calendar watches out there. For one thing, it was the very first model from Patek Philippe to combine an annual calendar with a chronograph. There is good reason behind us dedicating an article to the 5960. ![]()
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