G Shock (GA B2100LUU 5ADR) Light Denim houses the ultra slim BVL 318 houses the ultra slim BVL 318 calibre—a mechanical marvel only 3 it is a perfect companion for those who appreciate functionality combined with classic Parisian style battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Other features Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents Product Overview