Guess Summit Men's Watch Chronograph GW0917G1 Stainless steel case, silver colored coating, polished / mat Stainless steel strap, silver colored coating, polished / mat, folding clasp Quartz movement, battery operated Chronograph function, Stop watch Date display 50 meters Water Resistant Dial color blue Case width ca. 45 mm Case height around 11 mm Comes with box and information card. For environmental reasons, operating instructions and further information are only available on the manufacturers website!