Swiss Made Mechanical self-winding movement (ETA 2892.A2) Ø 43 mm Stainless steel case (316L) Scratch-resistant  triple coated anti-reflective sapphire crystal Water resistant to 500 m (50 ATM  1650 ft) Black Ice PVD case Luminescent hands  hour and bezel markers Screw-in caseback Protected screw-down crown Date calendar Genuine rubber strap