Guess Masterpiece Men's Watch Multifunctional GW0713G2 Stainless steel case, black coating, mat Silicone strap, black / yellow, pin buckle Quartz movement, battery operated Weekday display, Date display, 24 hour display 50 meters Water Resistant Dial color black / yellow Case width around 51 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!