Cartier Ballon Bleu model WSBB0060. 40mm stainless steel case with grey dial, fixed bezel, sapphire crystal glass which is scratch resistant. Automatic self-winding movement powered by the motion of the wearer. Functions include hour, minute, second and date display at the three o'clock position. Includes stainless steel bracelet band (silver finish), round shape, water resistance up to approximately 100 feet or 30 meters.