Casio Mens Watch EF-548D-1AV EDIFICE Watch 100-meter water resistance, Case / bezel material: Stainless steel, Stainless Steel Band One-touch 3-fold Buckle, Date, day display, Regular timekeeping Analog: 3 hands (hour, minute, stopwatch seconds), Accuracy: 20 seconds per month Approx. battery life: 2 years on SR927W Size of case: 49.5 X 46.3 X 12.8 mm, Total weight: 167 g