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IWC Schaffhausen

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IWIW503605-Big Pilot’s Watch Perpetual Calendar

Past Collections, 2021

IW503605

Big Pilot’s Watch Perpetual Calendar Add to my wishlist

Price includes taxes. Recommended Retail Price.
Price excludes taxes. Recommended Retail Price.
Recommended Retail Price

Stainless steel case, Automatic, self-winding, Diameter 46.2 mm.

Made in Schaffhausen, Switzerland.

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Please contact us to reserve this item
Limited Availability – contact us to purchase over the phone
Limited Availability – Please contact us to reserve this item
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Available to buy online. Orders can be returned within 30 days free of charge. Pay with credit card (Visa, MasterCard, American Express), bank wire transfer, Unionpay or Paypal.

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Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form 

IW503605 Specifications

case

case

  • Stainless steel case
  • Diameter 46.2 mm
  • Height 15.4 mm
  • Screw in crown
  • See-through sapphire glass back
  • Water resistance 6 bar

Movement

Movement

  • 52615 Calibre
  • IWC-manufactured movement
  • Automatic, self-winding
  • 168 hours Power Reserve
  • Frequency 28800.0 vph (4.0 hz)
  • 386 Components
  • 54 Jewels
  • Côtes de Genève, perlage

Features

Features

  • 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
  • Power reserve display
  • Glass secured against displacement by drop in air pressure
  • Sapphire glass, convex, antireflective coating on both sides
  • Rotor with 18-carat gold medallion
  • Small hacking seconds

dial

dial

  • Blue dial with luminescence

Strap

Strap

  • Blue calfskin strap
  • Strap width 22.0 mm

The Big Pilot’s Watch Perpetual Calendar Story

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.

Calibre Family 52000

Calibre Family 52000

The twin barrels are the trademark feature of the 52000-calibre family. They supply the watches with sufficient energy for a 7-day power reserve and drive energy-sapping complications like the annual calendar and perpetual calendar.

Perpetual calendar

Perpetual calendar

The perpetual calendar is one of the most fascinating haute horlogerie complications: It is mechanically programmed for 577 years.

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