IWC. AN AUTOMATIC CALENDAR WRISTWATCH WITH DUAL TIME ZONE Model: Die Fliegeruhr UTC Reference: 3251 Date: c.2000s Movement: 21-jewel Cal.37526, adjusted to 5 positions, No.2752227 Dial: Black, applied polished Arabic numerals, baton quarters, white outer minute divisions, date aperture at 3, dual time zone aperture below 12, polished dagger hands with luminous inserts, centre seconds Case: Brushed and polished tonneau form, screw down back, No.28...

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The IWC Pilot's Watch UTC 3251, introduced in 1998, has a larger case than the Mark XV and includes a rotating 24-h disc for a second time zone. Powered by caliber 37526 until 2003, later versions use the 30710 movement. The 'Spitfire' versions with elaborate dials were added in 2005. The IW3251-12 has a Stainless Steel case and a Silver dial, replacing the earlier Spitfire UTC around 2006.