Casio Sports WS210HD-1AV

"Tough Solar Power 100M Water Resistant LED Light with Afterglow Moon Data (moon age of the specific data, moon phase graph) Tide Graph (tide level for specific date and time) 4 Daily alarms and 1 Snooze Alarm Hourly time signal World Time 31 times zones (48 cities + UTC), city code display, daylight saving on/off 1/100 second stopwatch Measuring capacity: 23:5959.99"" Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Full auto-calendar (pre-programmed until the year 2099) 12/24 hour formats Button operation tone on/off Accuracy: +/- 30 seconds per month Battery power indicator Power saving function Storage battery: Solar rechargeable battery Approx. battery life: 11 months on full charge (without further exposure to light) Module: 3214 Size of case/total weight WS210H 45.4 x 44.0 x 13.3mm / 41.5g WS210HD 45.4 x 44.0 x 13.3mm / 95.1g"