Casio G-Shock World Time Analog Digital 200m G-306X-7ADR G306X Features: Shock resistant (G-SHOCK) 1/100-second stopwatch Measuring capacity: 59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times 12/24-hour format Accuracy: ±15 seconds per month Approx. battery life : 3...