Bullet Points:

-Can work or be operated up to 100m underwater with 10 atm water resistant grade, suitable for swimming, snorkeling, scuba diving or other water activities.

-Chronograph, countdown, dual time zone, alarm and hourly chime functions were built-in.

-Precise hour, minute, second, date and day display, support month check.

-12/24 hour format switchable. Luminous watch, fit to kids, men and women.

 -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.

Key Features:

-10 atm water resistant grade, support up to 100 meters (328feet) underwater operation.

-Precise hour, minute, second, date and day display, support month check.

-Chronograph, countdown, dual time zone, alarm and hourly chime functions were built-in.

-Can set alarm for different time zone.

-12/24 hour format selectable.

-Positive electro luminescent backlights built-in.

-Support shock resistant.

-With comfortable soft PU band strap.

Parameters:

Time Accuracy: ±30 seconds per month

Maximum Diving Depth: 100m

Water Resistance Level: 10 ATM

Countdown Range: 23:59'59'' to 0:0'0''

Watch Shape: Round

Movement: Digital

Battery Code: CR2025

Operating Battery Life Time: 1.5 to 2 years

Dial Window Material: High Transparency Resin

Watch Case Material: ABS Plastic

Dial Color: Black

Case Diameter: 45 mm

Case Thickness: 17 mm

Watchband Material: PU Band

Band Color: Black

Clasp: Pin Buckle

Band Width: 20mm

Maximum Wrist Circumference: 208mm

Minimum Wrist Circumference: 152mm

Product Weight: 55g

Package Weight: 114g

Note: The 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.