10 ATM Waterproof Sports Watch for Swimming and Diving, with Functions of Chronograph, Timer, Dual Time, Alarm Clock, 12 and 24 Hour Format Switchable

Key Features: -Up to 10 ATM waterproof level, which can work normally at a depth of 100 meters (330ft) underwater. -Precise month, date, hour, minute, second and day display. -Chronograph and timer functions were integrated into this watch. -Support multiple useful functions such as: alarm clock, hourly chime, calendar and back light. -Dual time zone time display. 12/24 hour format switchable. -Japanese quartz movement. -Silicone strap, soft and comfortable to wear. -Shock resistant. Parameters: Time Accuracy: ±30 seconds per month Maximum Depth Underwater: 100m (330ft) Countdown Range: 23:59'59'' to 0:0'0'' Watch Shape: Round Display Type: Digital Watch Movement Type: Japanese Quartz Battery Code: CR2025 Operating Battery Life Time: 1.5 to 2 years Dial Window Material: High Transparency Resin Watch Case Material: ABS Dial Color: Gray Case Diameter: 45mm/1.8inch Case Thickness: 12mm/0.47inch Watch Strap Material: Silicone Watch Strap Color: Red Clasp Type: Pin Buckle Watch Strap Width: 22mm/0.9inch Maximum Wrist Circumference: 230mm/9.1inch Minimum Wrist Circumference: 160mm/6.3inch Product Weight: 53g/0.12lb Package Weight: 152g/0.34lb Note: the watch battery is replaceable. If you find that the watch is not working or the text on the display is not clear, please replace the watch battery in time.