2013 fashionable silicone watch 1,plastic PU band 2,Battery:Japan lithium battery over 2 years life 3.Water Resistant Promotional hot colorful silicone watches for teensLens: PMMACaseback: stainless steelBand: Plastic Battery: Japan lithium battery over 2 years lifeWater Resistant: 1~3ATMFunction: Hourly chime/daily alarm, 12/24 display format, Auto Date, Chronograph, Complete Calendar, Day/Date, ...