CASIO SOLAR AQ-S810W-1BV Plastic strap Housing plastic Glass of improved plexiglass Solar battery powered by sun 10 months of battery (normal use without daily exposure to light after full charge) 23 months on rechargeable battery (when stored in total darkness with power saving function after full charge) world time Auto calendar chronometer Two reverse broeneta 12/24-hour format 5 independent daily alarms (with snooze and 1 function) LED light display Waterproof 10 bar - Allows bathing, swimming and diving (5 meters) Size 52.2mm x 46.6mm x 13.8mm weight 39.5g
