Gender: Unisex Item Type: Wrist watches Gender: Children Dial Display: Digital + Analog Backlight: YES Case Shape: Round Band Material: PU Resin Sport Type: Running,Swimming,Casual Case Material:PC Dial Diameter: 4.4 cm Strap Length: 25 cm Dial Thickness: 1.7cm Weight(Approx): 50g Movement: Others,Double Japan Movement Display Format: 12/24 hour time format Water Resistant: Water Resistant 5 ATM or 50 m. Suitable for swimming, white water rafting, non-snorkeling water related work, and fishing. Feature: Auto Date,Alarm,Chronograph,Water Resistant,Complete Calendar,Luminous,LED display,Shock Resistant,Back Light,High abrasion resistant glass Battery: CR2025*1 SR626SW*1 Mulit-Function: waterproof 50M Anti-Magnetic Anti-Vibration Alarm Stopwatch Dual Time Date & Week & Calendar LED Night Light Kind Note: The waterproof depth is up to 50M (Please Don't Press Any Key Underwater)