Key Features: -10 ATM water resistant, support up to 100 meters (328feet) underwater 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 built-in. -Support shock resistant. Parameters: -Time Accuracy:±30 seconds per month -Dive Maximum Operating Depth:100M (10ATM) -Countdown Range:23:59'59'' to 0:0'0'' -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.

Electro luminescent backlight built-in, support time check in the darkness. 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. Support dual time zone display, 12/24 hour format selectable. Support month, date, week day check. Support stopwatch, timer count down, Alarm clock, and hourly chime functions. 10 ATM water resistant, support 100m underwater operation, great for swimming, snorkeling, scuba diving and other water activities.

Best Sellers Rank: See Top 100 in Sports & Outdoors. Product Warranty: For warranty information about this product, please click here. Water resistant depth: 100 Meters. Movement: Quartz. Special features: Timer. Dial color: Black. Band Color: Black. Band width: 20 millimeters. Band Material: Silicone. Case Thickness: 10 millimeters. Case diameter: 36 millimeters. Case material: Plastic, Resin. Clasp: Tang Buckle. Display Type: Digital. Dial window material type: Acrylic. Item Shape: Square. Part Number: W23-NUS-RD. Model number: W23-NUS-RD. Brand, Seller, or Collection Name: TEKMAGIC. Human Interface Input: Dial. Material: Resin, Silicone. Brand: TEKMAGIC. Color: Black. : B07ZJ7HCPM. Manufacturer: HONG KONG MAGIC TECH. DEVE. CO., LTD. Date First Available: October 22, 2019. Batteries: 1 Lithium Polymer batteries required. (included). Department: womens. Item model number: W23-NUS-RD. Package Dimensions: 4.1 x 4 x 4 inches; 5.61 Ounces.