Offering a 7-year battery life, with 50 meters water resistance this watch is sure to satisfy your practical side. - 48.1 × 47 × 13.9mm Case Size - 89g Weight - Resin Case and Bezel - Stainless Steel Band - Triple-fold Clasp - 50 Meters Water Resistant - Approx. battery life: 7 years on CR2016 - Resin Glass - Stopwatch - Alarm/hourly time signal - LED backlight - Calendar: Auto-calendar (set at 28 days for February) - Accuracy: ±30 seconds per month Other features - 12/24-hour format - Regular timekeeping: Hour, minute, second, pm, date, day