Automatic with Hand-Winding Feature Caliber: 6R35 Water Resistance: 10 bar Case: Stainless steel with Super Hard Coat Case Diameter: 39.3 mm Case Thickness: 11.1 mm Crystal: Anti-reflective sapphire glass Hands and Markers: Lumibrite Case Back: Transparent, screw-down Clasp: Triple-fold clasp with safety pushers Daily Rate: +25 / -15 seconds Jewels: 24 Date Display: Yes Stop-Second Function: Yes (for precise time setting) Case Type: Metal Crystal Type: Sapphire Strap Type: Steel Case Diameter: 39 mm Water Resistance: 10 ATM No box ,no papers.This watch has original mechanism,and has aftermarket dial and case.