TEKMAGIC 100m Water Resistant Scuba Diving Watch with Stopwatch, Alarm Clock Functions, Dual Time Display, 12/24 Hour Format.

Key Features: 10 ATM water resistant, support up to 100 meters (328feetunderwater operation. Support stopwatch function. Support countdown timer function. Support alarm clock function. Support hourly chime function. Support dual time zone display. 12/24 hour format selectable. Support month, date, week day check. Negative electro luminescent backlight builtin. Support shock resistant. Parameters: Time Accuracy:30 seconds per month Dive Maximum Operating Depth:100M (10ATMCountdown Range:23:5959 to 0:00 Watch Shape:Square Watch Movement:Digital Battery Code:CR2025 Operating Battery Life Time:1. 5 to 2 years Watch Dial Window Material:High Transparency Resin Watch Case Material:ABS Watch Dial Color:Black Watch Case Size:36x36mm Case Thickness:10mm Watch Strap Material:Silicone Watch Strap Color:Black Watch Strap Clasp:Pin Buckle Watch Strap Width:20mm Maximum Wrist Circumference:235mm Minimum Wrist Circumference:130mm, 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.