10 ATM 100m Waterproof Digital Sports Watch for Swimming and Diving, with Functions Chronograph, Stopwatch, Timer, Countdown, Calendar, Dual Time Zone, Alarm, 12 or 24 Hour Format Switchable

• - The water resistance level of this watch has reached 10 ATM, which means that it can work normally up to a depth of 100 metres (330 ft) underwater. It is not only suitable for water activities such as swimming, diving, snorkelling, surfing, rowing, water skiing, but also for daily use and outdoor sports such as jogging, hiking, climbing, cycling, etc.
• - The integrated stopwatch and timer function of the watch can meet the precise timing needs of exercises and sports competitions.
• - The dual time zone display function makes your travels more convenient; The 12/24-hour format display can meet the time reading habits of different people.
• -Supports several useful functions such as: alarm clock, hourly signal, calendar and backlight.
• - The watch battery is replaceable. If you find that the watch does not work or the text on the display is not clear, please replace the watch battery in time.

Description Key Features: - Up to 10 ATM waterproof, which means that it can work normally under water up to a depth of 100 metres (330 ft). -Precise display of month, date, hour, minute, second and day. - Chronograph and timer functions have been integrated into this watch. -Supports several useful functions such as: alarm clock, hourly signal, calendar and backlight. -Time zone display with two different times. 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 under water: 100 m (330 ft). - Countdown range: 23:59'59'' to 0:0'0'' - Watch shape: round. - Display type: digital. - Movement type: Japanese quartz. - Battery code: CR2025. - Operating battery life: 1.5 to 2 years. - Dial window material: highly transparent resin. - Watch case material: ABS - Dial colour: grey. - Case diameter: 45 mm/1.8 inch. - Case thickness: 12 mm/0.47 inches. - Watch strap material: silicone. - Watch strap colour: dark blue. - Clasp type: pin buckle. - Watch strap width: 22 mm/0.9 inch. - Maximum wrist circumference: 230 mm/9.1 inch. - Minimum wrist circumference: 160 mm/6.3 inches. - Product weight: 53g/0.12lb - Package weight: 152 g/0.34 lb. Note: The watch battery is replaceable. If you find that the watch does not work or the text on the display is not clear, please replace the watch battery in time.