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 can be replaced. 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.