Shockproof, resin construction stands up to heavy abuse. Analog hands display current time, while a small digital display can show a different time zone in 12- or 24-hour formats. Afterglow backlighting illuminates face for nighttime use. Stopwatch feature has .01-second accuracy, tracks up to 24 hours and features an elapsed-time mode. Daily alarm clock and calendar ensures youll never sleep in. Watch has 15-second accuracy per month. Water-resistant to 200 meters. Shockproof. CR2016 battery lasts up to three years. Case diameter: 47.8mm. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Size: S. Color: Black. Gender: Male. Age Group: Adult. Type: Digital/Analog Watches.