Description 45 mm Stainless steel case, screw down crown & case back Stainless steel unidirectional ratcheting bezel Sapphire Crystal with anti-reflective coating Water resistant to 200 meters Navy Blue EPDM Rubber Strap with brushed stainless steel signature buckle More Details Origin: Swiss Made Always Visible: Constant glow for up to 25 years Size of case (diameter): 45 mm Function: Time Date Water resistance (meters, feet, ATM): 200 / 660 / 20 Movement: Swiss Quartz Case material: 316L Stainless steel Bezel: Uni-directional rotating Case back: 316L Stainless steel screw in Crystal glass material: Sapphire crystal, anti-reflective coating Crown: Screw in, double security gasket, crown protected Strap / bracelet: Genuine rubber Lug width: 24 mm Case height: 13 mm Weight: 130 g