Description 39 mm Carbon Compound case Black Carbon Compound caseback Carbon Compound unidirectional turning bezel Tempered scratch resistant mineral crystal Water resistant to 100 meters Black signature PU strap with brushed stainless steel signature buckle, loop-lock, 19mm More Details Origin: Swiss Made Always Visible: Constant glow for up to 25 years Size of case (diameter): 39 mm Function: Time Date Water resistance (meters, feet, ATM): 100 / 330 / 10 Movement: Swiss Quartz Case material: CARBONOX™ Bezel: Uni-directional rotating Case back: CARBONOX™ screw on Crystal glass material: Hardened mineral crystal (550-650 Vickers) Crown: Double security gasket, crown protected Strap / bracelet: Genuine rubber Lug width: 19 mm Case height: 12 mm Weight: 40 g