Guess Headline Men's Watch Multifunctional GW0571G1 Stainless steel case, silver colored coating, polished / mat Silicone strap, black, pin buckle Quartz movement, battery operated Weekday display, Date display, 24 hour display 50 meters Water Resistant Dial color grey / black Case width around 42 mm Case height around 10 mmComes with box and information card. For environmental reasons, operating instructions and further information are only available on the manufacturers website!