IWIW502702-Big Pilot’s Watch Annual Calendar Spitfire


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Made in Schaffhausen, Switzerland

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IW502702 Specifications



  • Stainless steel case
  • Diameter 46.2 mm
  • Height 15.3 mm
  • Screw in crown
  • See-through sapphire glass back
  • Water resistance 6 bar



  • 52850 Calibre
  • IWC-manufactured movement
  • Automatic, self-winding
  • 168 hours Power Reserve
  • Frequency 28800.0 vph (4.0 hz)
  • 36 Jewels
  • Côtes de Genève, perlage



  • Annual calendar with displays for the month, date and day
  • 7 days power reserve
  • Power reserve display
  • Glass secured against displacement by drop in air pressure
  • Sapphire glass, convex, antireflective coating on both sides
  • Pellaton automatic winding
  • Rotor with 18-carat gold medallion
  • Small hacking seconds



  • Slate-coloured dial with luminescence



  • Brown calfskin strap by Santoni
  • Strap width 22 mm

The Big Pilot’s Watch Annual Calendar Spitfire Story

The annual calendar of the Big Pilot’s Watch Annual Calendar Spitfire shows the month, date and day in three separate windows arranged according to the American date format. The advance mechanism automatically takes the length of individual months into account and requires manual correction via the crown once a year at the end of February. The slate-coloured dial has two subdials at “3” and “9 o’clock” – one for the power-reserve display and one for the red small seconds hand. The in-house 52850 calibre has two barrels to provide the higher torque required to drive the three display discs of the annual calendar. In addition, when fully wound, the twin barrels supply enough energy for a full 7 days’ power reserve. The sapphire-glass back provides a view of the exquisite movement, the rotor and the various decorations on the plates and bridges.



For decades, IWC Schaffhausen has been taking the dream of flying as inspiration for the exquisite timepieces that make up the Pilot’s Watch collection. Over the years, the luxury watch manufacturer has taken design cues from various sources within the world of aviation, for example in 2003, when the first Pilot’s Watch Spitfire was launched. The model was named after the Supermarine Spitfire, the English fighter plane that featured exceptional aerodynamics and outstanding flying characteristics for its time. IWC’s Spitfire models combine technical brilliance with exceptional elegance. These watches come with the signature slate-coloured dial, which is exclusive to the Pilot’s Watch family and gives each timepiece a truly unique look. They also feature the finest case materials, such as mirror-polished stainless steel and solid red gold.

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.

Annual calendar

The annual calendar is an attractive complication that shows the month, date and day in three separate windows on the dial. This complication automatically takes into account the differing lengths of individual months. It took 5 years to design.

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