This watch is COSC certified; Stainless steel; sapphire crystal; rubber; Case size: 41mm; Butterfly deployant closure; Swiss STP 1-11 automatic movement with 44 hour power reserve; Water resistant to 30 ATM; Dark blue dial with date display at 3 o'clock; Index bezel; Black rubber strap; Manufacturer's 2-year limited warranty; Photo may have been enlarged and/or enhanced; Imported