This advanced digital watch boasts a 10-year battery, e-data memory (up to 40 records), chronograph functions and date display. Since it's a G-Shock, this watch also resists shocks and is water resistant to 200 meters. Brand: Casio Dial Color: Black Strap: Black resin Clasp: Buckle Movement: Quartz Water Resistance: 200m Case Width: 45mm Case Thickness: 14mm Bracelet Dimensions: 9½" long, 23mm wide Model No.: G2900F-1V Special Features: Chronograph, alarm, stopwatch, date function, e-data memory, 10-year battery, shock resistant, 20ATM water resistance Jewelry photos are enlarged to show detail.