ABOUT THIS ITEM Case / bezel material: Polyurethane / Aluminum, Stainless Steel Band, One-touch 3-fold Buckle, 100-meter water resistance, Mineral Glass LED light, Dual time, Moon data (moon age of the input data, moon phase graph), Tide graph (tide level for specific date and time) 1/100-second stopwatch, Countdown timer, Multi-function alarms, Hourly time signal Full auto-calendar (to year 2099), 12/24-hour format, Button operation tone on/off, Regular timekeeping Accuracy: ±30 seconds per month, Approx. battery life: 10 years on CR2025, Size of case/total weight: 48 X 45.5 X 13.4 mm/149 g, LED:Umber الحالة جديد الجنس رجال