3150 - IWC · DA VINCI PERPETUAL CALENDAR CHRONOGRAPH

IWC · DA VINCI PERPETUAL CALENDAR CHRONOGRAPH Ref. 3750 · ca. 1990/91 · 18K yellow gold · 39 mm Kurt Klaus brought the perpetual calendar to the forefront: all displays can be adjusted simultaneously, along with the chronograph and four-digit year display. Even the century selector is still intact here. A small detail that wonderfully illustrates the timeframes IWC had in mind for the Da Vinci. Case number: 2,534,021 Case: Round yellow gold case with a stepped bezel, movable hinge lugs, and Plexiglass; the screw-down caseback bears the characteristic Da Vinci lettering. Dial: White dial with gold baton hour markers, luminous dots, and German calendar displays; a moon phase and four-digit year window complement the chronograph counters. Movement: Automatic, IWC calendar chronograph based on the Valjoux 7750 with a perpetual calendar by Kurt Klaus Functions: Two-hand watch with small seconds, chronograph with 30-minute and 12-hour counters, perpetual calendar with date, day of the week, month, four-digit year display, and moon phase; all calendar displays can be synchronized via the crown Strap: Original brown IWC leather strap Clasp: 18K yellow gold pin buckle, signed by IWC, original Box: Yes – Original IWC box · Papers: Yes – IWC certificate of ownership, warranty card (unfilled), instruction manual · Accessories: IWC “Century” slider in storage case Condition: Well-maintained with slight signs of wear on the case and clasp. Glass without visible scratches; dial and hands in very good condition. Original leather strap has been worn; the interior of the box shows age-related deterioration.