Guess Surge Men's Watch Chronograph W1168G2 Stainless steel case, black coating, polished Silicone strap, black, pin buckle Quartz movement, battery operated Chronograph function, Stop watch Tachymeter display 100 Meter Water Resistant Dial color black Case width around 49 mm Case height around 11 mmComes with box and information card. For environmental reasons, operating instructions and further information are only available on the manufacturers website!