U.S. Polo Assn. Sport Men's US9274 Black Analog-Digital Rubber Strap Watch Quality quartz movement Case diameter: 45 mm Alarm, chronograph, EL backlight, 12/24 hour format selectable Buckle clasp Not water resistant Quality quartz movement Case diameter: 45 mm Alarm, chronograph, EL backlight, 12/24 hour format selectable Buckle clasp Not water resistant