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IW503605

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Big Pilot’s Watch Perpetual Calendar

Variation — Blue, Stainless steel case Size guide

IW503608 - Big Pilot's Watch Perpetual Calendar

Stainless steel case, Automatic winding, Diameter 46.2 mm, Blue dial with luminescence, Blue calfskin strap, Strap width 22.0 mm.

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Perpetual calendar | IWC Schaffhausen

The perpetual calendar is one of the most fascinating haute horlogerie complications.

Watch Details

case
Movement
Features

case

Stainless steel case
Diameter 46.2 mm
Height 15.4 mm
Screw in crown
See-through sapphire glass back
Water resistance 6.0 bar

Movement

52616 Calibre
Automatic winding
168 hours power reserve
Frequency 28'800 VPH (4 Hz)
379 Components
54 Jewels

Features

Small hacking seconds
Rotor with 18-carat gold medallion
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

Care For Your Watch

Complete Service

It involves a full overhaul of the timepiece and is a complex, largely manual task that takes several hours.

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HOW-TO TIPS

Learn how to clean your watch, wind it and more in our six-part “How To…” video series.

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OFFICIAL DOCUMENTS

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EXTENDED WARRANTY

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Big Pilot’s Watch Perpetual Calendar

The Big Pilot’s Watch Perpetual Calendar in stainless steel with a blue dial continues the long-standing tradition of perpetual calendar watches in the Big Pilot’s collection.

Big Pilot’s Watch Perpetual Calendar

The Big Pilot’s Watch Perpetual Calendar in stainless steel with a blue dial continues the long-standing tradition of perpetual calendar watches in the Big Pilot’s collection.

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 Big Pilot's Watch Perpetual Calendar features a stainless steel case, a blue dial, rhodium-plated hands and a blue calfskin strap. 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.

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Big Pilot’s Watch Perpetual Calendar

Perpetual calendar | IWC Schaffhausen

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Watch Details

case

Movement

Features