Big Face Sports Wrist Watch 10 ATM Waterproof for Men Swimming and Diving with Alarm Clock, Stopwatch, Timer, Dual Time Zone, Calendar, Backlight, 12 or 24 Hours Format

<b>Key Features:</b><br> <br>-Up to 10 ATM waterproof level, which can work normally at a depth of 100 meters (330ft) underwater.<br> <br>-Precise month, date, hour, minute, second and day display.<br> <br>-Chronograph and timer functions were integrated into this watch. <br> <br>-Support multiple useful functions such as: alarm clock, hourly chime, calendar and back light.<br> <br>-Dual time zone time display. 12/24 hour format switchable.<br> <br>-Japanese quartz movement.<br> <br>-Silicone strap, soft and comfortable to wear.<br> <br>-Shock resistant.<br> <br><b>Parameters:</b><br> <br>Time Accuracy: ±30 seconds per month<br> <br>Maximum Depth Underwater: 100m (330ft)<br> <br>Countdown Range: 23:59'59'' to 0:0'0''<br> <br>Watch Shape: Round<br> <br>Display Type: Digital<br> <br>Watch Movement Type: Japanese Quartz<br> <br>Battery Code: CR2025<br> <br>Operating Battery Life Time: 1.5 to 2 years<br> <br>Dial Window Material: High Transparency Resin<br> <br>Watch Case Material: ABS<br> <br>Dial Color: Gray<br> <br>Case Diameter: 45mm/1.8inch<br> <br>Case Thickness: 12mm/0.47inch<br> <br>Watch Strap Material: Silicone<br> <br>Watch Strap Color: Dark Blue<br> <br>Clasp Type: Pin Buckle<br> <br>Watch Strap Width: 22mm/0.9inch<br> <br>Maximum Wrist Circumference: 230mm/9.1inch<br> <br>Minimum Wrist Circumference: 160mm/6.3inch<br> <br>Product Weight: 53g/0.12lb<br> <br>Package Weight: 152g/0.34lb<br> <br><b>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.</b><br>

• -The waterproof level of this watch has reached 10 ATM waterproof, which can work normally at a depth of 100 meters (330ft) underwater. It is not only suitable for wearing in water activities such as swimming, diving, snorkeling, surfing, rowing, water skiing, but also suitable for wearing in daily life and outdoor sports, such as jogging, hiking, climbing, cycling, etc.
• -The built-in stopwatch and timer function of the watch can meet the precise timing needs of exercise and sports competitions. -The dual time zone display function will make your trips more convenient; 12/24 hour format display can meet the time reading habits of different people. -Support multiple useful functions such as: alarm clock, hourly chime, calendar and back light.
• -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.