A simple, yet intricate dial set into the strong GShock design results in a timepiece with a distinctive personality all its own. The face utilizes metal parts to create a variety of levels that makes information presented easy to read. Features include a large screw lock crown, 1/20second analog chronograph, date display and more. Black resin white analog watch with black face. Magnetic Resistance 1/20 Second Chronograph Screw Lock Crown Band Type: Resin Color: White Dial Code: Analog Shock Resistant 200 Meter Water Resistant Magnetic Resistant Neobrite Luminous Hands 1/20 second chronograph Measuring capacity: 11:59'59.95" Measuring modes: Elapsed time, split time, 1st2nd place times Accuracy: +/ 20 seconds per month Battery: SR927SW Approx. battery life: 3 years Module 5277Size of case/total weightGAC100 55.0 x 52.7 x 16.6mm / 72.9gGAC100RG 55.0 x 52.7 x 16.6mm / 72.9g