When discussing the exceptional complications of the IW9270, one must mention the earlier and more widely known IWC perpetual calendar module. This module, successfully modified in 1985 by master watchmaker Kurt Klause based on the Vajoux 7750 movement, broke through the traditional mechanisms of perpetual calendars, which had accumulated over a century of practicality. It allowed for adjustment of all calendar information via a single crown, pioneered a four-digit year display, and featured a precise moon phase with an error of only one day every 122 years. At the time, the Swiss watchmaking industry was still struggling to survive, and the craftsmanship of the perpetual calendar mechanism developed by Kurt Klause was so refined that other brands only began to catch up after 2010.
The IWC Big Pilot's Watch TOP GUN Perpetual Calendar Forest Green Special Edition IW503101 features a 46.5mm diameter, a green ceramic case and bracelet (the first ceramic bracelet ever made), a green dial, and the in-house 52616 automatic movement with a 168-hour power reserve and a 4Hz frequency. It includes a perpetual calendar displaying the date, day of the week, month, and four-digit year, as well as a perpetual moon phase display for both the Northern and Southern Hemispheres. fake luxury watches
The perpetual calendar movement is arguably IWC's most iconic complication. Since the introduction of the IW9270 Super Complication movement in 1990, it has undergone several technological innovations. In 2003, the Portuguese series introduced the Cal. 5000 movement, which, based on a seven-day power reserve, incorporated a special perpetual calendar design with a Northern and Southern Moon phase display, a feature that has since become a classic element of IWC's calendar-themed watches. The Cal. 51613 perpetual calendar movement features a seven-day power reserve and a north-south moon phase display, with an increased number of teeth on the moon phase wheel train, improving accuracy to one day's error in 577.5 years.
The IWC Big Pilot's Watch TOP GUN Naval Air Combat Force Perpetual Calendar Forest Green Special Edition IW503101 has a 46.5mm diameter, a green ceramic case and bracelet (the first ceramic bracelet ever made), a green dial, and is powered by the in-house 52616 automatic movement with a 168-hour power reserve and a 4Hz frequency. It features a perpetual calendar with date, day of the week, month, and four-digit year display, as well as a north-south hemisphere perpetual calendar moon phase display.high quality fake watches
Having accumulated decades of technical expertise in perpetual calendar mechanisms, IWC has pushed calendar-display watches to their limits with the "Eternal Calendar." Based on IWC's most famous and classic perpetual calendar movement, it integrates the Eternal Calendar, a 400-year cycle gear train module composed of eight main components. It automatically skips the three special common years of 2100, 2200, and 2300 without additional adjustment. Furthermore, IWC's renowned north-south moon phase display gear train, through a newly designed intermediate wheel and precisely calculated and redesigned gear teeth, achieves an accuracy of only one day's error in 45 million years.
As a Swiss-German watchmaking brand, IWC's watchmaking philosophy naturally leans towards rationality, practicality, and a refined, minimalist aesthetic. In terms of design, IWC has always understood how to express the most compelling and deeply moving pieces with the most concise design language. And in terms of movement, the pursuit of precision and ergonomic design is a crucial direction for IWC's complex function design. fake Jacob & Co. bugatti chiron
The IWC Portuguese Perpetual Calendar IW505701, with a 44.4mm diameter platinum case, white lacquered transparent dial, in-house 52640 automatic movement, boasts a 168-hour power reserve and a 4Hz frequency. The perpetual calendar displays the date, day of the week, month, four-digit year, and moon phase (accurate for up to 45 million years, applicable to both the Northern and Southern Hemispheres). It features a Santoni black alligator leather strap with a platinum folding clasp.
While we've seen fewer and fewer IWC watches like the IW9270, which combined multiple complications into a single timepiece, IWC's recent creations over the past two decades reveal its philosophy for contemporary complex mechanical watches: an IWC complicated timepiece must achieve precision and maximum practicality through rigorous engineering and meticulous craftsmanship, ultimately remaining aesthetically pleasing. I'll stop here for now; I'll discuss the core technologies of IWC mechanical watches in more detail another time. https://www.grand-watch.co
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