Product Information Profile: Adult Watch Shape: Round Watch Design: Sports Watch Format: Digital Movement: Quartz Screen Type: LED Watch Case Color: Black Watch Case Material: Resin Wrist Band Material: Resin Wrist Band Color: Black Wrist Band Type: Strap Wrist Band Lock Type: Buckle Application/Usage: Sports Features: Afterglow Features: Alarm Features: Countdown Timer Features: Water Resistance Features: Calendar Features: Comfortable Features: Stopwatch Features: World Time Dial Window Material: Glass Reliability Water Resistance: 328.08 ft Durability: Water Resistant Battery Information Battery Size Supported: CR2032 Maximum Battery Life: 10 Year