Specifications Case / bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Band Mineral Glass Screw Lock Back 100-meter water resistance Solar powered 1-second stopwatch Measuring capacity: 29'59 Measuring modes: Elapsed time, split time, 1st-2nd place times Battery level indicator Date display Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (stopwatch minutes, stopwatch seconds, 24-hour) Accuracy: ± 20 seconds per month Operating time from full charge until hands stop: Approx. 5 months Size of case / Total weight Size of case: 50 × 47.5 × 12.7mm Total weight: 170g