Specifications Scuderia AlphaTauri Limited Edition Screw Lock Back Sapphire crystal with glare-resistant coating Blue ion plated bezel 100-meter water resistance Case / bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Band Solar powered 1-second stopwatch Measuring capacity: 9'59 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 : 49.5 X 45.3 X 12.1 mm Total weight : 139 g