Zodiac Men's Swiss Automatic Metal and Stainless Steel Sport Watch(Model: ZO8004) Precise, high-quality Swiss Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Durable mineral crystal; Polished stainless steel case and bracelet Date function Blue dial with luminous hands and hour markers; Unidirectional rotating bezel Water resistant to 660 feet (200 M): suitable for recreational scuba diving