10 ATM Waterproof Sports Wristwatch for Swimming and Diving with Chronograph

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 52mm/2inch Case Thickness 15mm/0.6inch Watch Strap Material TPU Watch Strap Color Black Clasp Type Pin Buckle Watch Strap Width 22mm/0.9inch Maximum Wrist Circumference 225mm/8.9inch Minimum Wrist Circumference 160mm/6.3inch Product Weight 62g/0.14lb Package Weight 155g/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.