Case / bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Band Mineral Glass Screw Lock Back Black ion plated bezel 100-meter water resistance Solar powered 1-second stopwatch Measuring capacity: 29'59 Measuring modes: Elapsed time, 1st-2nd place times Battery level indicator Date display Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (24-hour, stopwatch minutes, stopwatch seconds) Accuracy: ?20 seconds per month Operating time from full charge until hands stop: Approx. 5 months Size of case : 56.5??47.6??12.5mm Total weight : 170g