Jacques Lemans Men's Swiss Automatic Stainless Steel and Leather Casual Watch(Model: GU150B/1-DA204R) Quality Swiss Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Scratch Resistant Sapphire Crystal; Stainless Steel Case Date Function Luminous Hands; Genuine Blue Ostrich Strap Water resistant to 165 feet (50 M): suitable for swimming and showering