INFANTRY Men's Military Sport Quartz Analog Square Dial Blue Wrist Watch Black Rubber Strap Movement (Caliber): Precision Japanese Quartz Size of case diameter (mm): 47:Thickness of case (mm): 11 Size of band lug (mm): 22:Size of band (mm): 170-220 Material: Black Electroplated Finishing Stainless Steel Case,Anti-Scratch durable glass top and Military Rubber Band. Function: Hours, Minutes, Seconds 1 Year Warranty and 30 days exchange, returns and refunds accepted.