Tissot Men's T91148331 T-Sport PRS516 Automatic Stainless Steel Watch High-quality Swiss-Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Scratch-resistant sapphire crystal; Stainless steel case and bracelet Day and Date function White dial with luminous hands and hour markers; Stainless steel case back Water resistant to 165 feet (50 M): suitable for swimming and showering