Sinn 956.KLASSIK Classic Discontinued Model Movement: ETA Valjoux 7750 (Automatic / 25 Jewels / 28,800 vibrations) Manual winding possible Power Reserve: Approximately 46 hours Magnetic Resistance: 4,800A/m (DIN8309 compliant) Functions: Hours, Minutes, Seconds (Small Seconds) Chronograph (30-minute counter, 12-hour counter) Power Reserve Indicator Date Display Tachymeter Dial Color: Ivory Case: Stainless Steel Strap: Calf Leather Windshield: Double-sided anti-reflective sapphire crystal Crown: Screw-down Push Buttons: Standard Case Back: Sapphire crystal, screw-down Water Resistance: 10 bar Low Pressure Resistance Case Size: Diameter 41.5mm x Thickness 15mm Weight: 92g (excluding strap) Strap Width: 22mm Daily Accuracy: Within ±5 seconds (actual measurement) Accessories: Main unit, original outer box, inner box, instruction manual, tools Condition: There are no scratches on the windshield or anti-reflective coating. The case has a full mirror finish, so there are hairline scratches on the sides of the case and the lug area, but overall there are no major scratches or dents. Chronograph operation and date operation are good. The strap is a genuine Sinn strap, but it has been recently replaced with a new one, so it is in a clean condition. The inner box has stains and odors due to aging. Please consider it as a bonus. *All images are taken of the actual watch. This is a chronograph designed for classic rally pilots, equipped with a tachymeter with dual markings that allows for speed measurement from 30 km/h to 60 km/h, suitable for rallies. At the 3 o'clock position, there is a date display and a power reserve indicator modeled after the tank indicator of a classic Mercedes. This is a recommended watch for classic car enthusiasts and those looking for a highly visible chronograph.