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.

-Digital and analog movements.

-Positive electro luminescent backlights built-in.

-Support shock resistant.

-With comfortable soft PU band strap.

Parameters:

Time Accuracy: ±30 seconds per month

Dive Maximum Operating Depth: 100m (10ATM)

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

Watch Shape: Round

Movement: Digital and Analog

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: 210mm

Minimum Wrist Circumference: 155mm

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.