Casio G-SHOCK GA-100CB-1AJF Japan import Men's Waterproofing function: 20 standard atmosphere waterproofing Backlight: LED light (with Autolite, afterglow function, afterglow time change over (1.5 seconds /3 second)) Electric wave automatic repair function: Nothing Battery life: Approximately two years Band material: Resin You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!