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Big Pilot’s Watch Perpetual Calendar TOP GUN Edition “Mojave Desert”
For the first time, IWC presents a Big Pilot's Watch with a perpetual calendar in the sand-coloured ceramic case of the “Mojave Desert” editions.
ABOUT THE WATCH
Big Pilot’s Watch Perpetual Calendar TOP GUN Edition “Mojave Desert”
The Big Pilot’s Watch and the perpetual calendar are a perfect match. The four sub dials and the four-digit year display are shown off to high effect on the large dial. The date, weekday, month and moon phase are also effortless to read. For the first time, IWC is now combining a Big Pilot’s Watch Perpetual Calendar with a sand-coloured ceramic case, the hallmark of its “Mojave Desert” editions. The subdued dark brown dial and the sand-coloured rubber strap with textile inlay complement the unique military design. The inspiration came from the flight suits of Navy pilots and the barren landscape of China Lake, the US Navy’s largest land area in the Mojave Desert. The perpetual calendar is mechanically programmed to automatically recognise the different months lengths and the leap years. It will continue running correctly without any manual correction until the year 2100. The calendar module is driven by a single nightly switching impulse delivered by the IWC-manufactured 52615 calibre. Two barrels, wound up by a Pellaton winding system with ceramic components, store a comfortable seven days power reserve.
Perpetual calendar | IWC Schaffhausen
In the early 1980s, IWC’s head-watchmaker Kurt Klaus set out on an engineering journey to translate the Gregorian calendar with its many irregularities into a mechanical program for a wristwatch. His ingenious perpetual calendar, which debuted in the Da Vinci Perpetual Calendar in 1985, comprises only about 80 parts and displays the date, day, month, year in four digits, and the moon phase. The smart mechanical program automatically recognises the different length of the months, and even adds a leap day at the end of February every four years. The moon phase display is so precise that it will deviate from the actual phase of the moon by just one day after 577.5 years. All displays are perfectly synchronised and can be adjusted simply by turning the crown. Some models come with an additional century slide, so the watch can continue showing the date until 2499. The calendar only needs a small adjustment in those centurial years that skip the leap year, which is the case in 2100, 2200, and 2300. Some versions of the calendar feature a double moon phase display, showing the moon phase on the northern and southern hemispheres.
Features
Case
Movement
Packaging
Small hacking seconds
Rotor with 18-carat gold medallion
Pellaton automatic winding
Sapphire glass, convex, antireflective coating on both sides
Glass secured against displacement by drop in air pressure
Power reserve display
Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase for the northern and southern hemisphere
7 days power reserve
Case
Ceramic
Case
Diameter
46.5
mm
Height
15.5
mm
Back case
See-through sapphire glass back
Water resistance
6.0
bar
Calibre
52616
Calibre
Movement type
Automatic winding,
IWC-manufactured movement
