Featuring an automatic calendar, shock resistance and a digital chronograph, this men's Casio G-Shock Classic watch will keep up with you no matter where you go.Watch the product video here. Features Automatic calendar: day & date, pre-programmed to 2039 Daily alarm Hourly chime 12/24-hour formats Chronograph: elapsed & split time; 1/100-second increments Countdown timer Water resistance: 200 meters Shock resistant Case & Display Digital display with EL backlight & afterglow Face cover: mineral crystal Case: black resin Caseback: stainless steel 45-mm diameter Band Black resin Strap buckle clasp Men's standard length Details Quartz movement Battery power Manufacturer's 1-year limited warranty Model no. DW6900-1V Size: One Size. Gender: male. Age Group: adult. Material: Rubber/Silicone.