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  • Big Pilot's Watch Perpetual Calendar - IW503605
  • Big Pilot's Watch Perpetual Calendar - IW503605

IWC Schaffhausen

Big Pilot's Watch Perpetual Calendar - IW503605

$44,200.00

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No other complication has taken centre stage on the dial of the Big Pilot’s Watch more often than the perpetual calendar. Developed during the 1980s by IWC’s former head-watchmaker Kurt Klaus, the large dial not only lends itself well to the mechanism’s many display, but it also makes reading of the calendar information particularly easy. The perpetual calendar automatically recognizes the different month lengths and the leap years, and will not require a manual adjustment until 2100. Engineered from only about 80 individual parts, the calendar module is driven by a single nightly switching pulse from the IWC-manufactured 52615 calibre. Components of the Pellaton winding system that are subject to severe stresses are made of virtually wear-free ceramic. When fully wound, the two barrels store a power reserve of seven days. The elaborately decorated manufacture movement is visible through the sapphire glass back.

Stainless steel case
Diameter 46.2 mm
Height 15.4 mm
Screw in crown
See-through sapphire glass back
Water resistance 6 bar
52615 Calibre
IWC-manufactured movement
Automatic, self-winding
168 hours Power Reserve