Casio - G-Shock - Frogman - Yellow - GF8250-9 - The ISO-level 200-meter water resistance of this new FROGMAN model delivers true diver watch performance for the serious diver. Tough Solar capabilities eliminate the need to worry about battery changes, while the Tide Graph provides important information for the marine enthusiast. The yellow color of the watch makes it stand out, even underwater. Tough Solar Power - Shock Resistant - ISO 200M Water Resistant - Full Auto EL Backlight with Afterglow - World Time: 31 times zones (48 cities + UTC), city code display, daylight saving on/off - Moon Data (moon age of the specific data, moon phase graph) - Tide Graph (tide level for specific date and time) - Dive time and surface interval measurement function - 1/100 second stopwatch - Countdown timer - 4 Daily alarms and 1 Snooze Alarm - Hourly time signal - Battery power indicator - Power saving function - Button Operation Tone on/off - Full auto-calendar (pre-programmed until the year 2099) - 12/24 hour formats - Accuracy: +/-15 seconds per month - Storage battery: Solar rechargeable battery - Approx. battery life: 10 months on full charge (without further exposure to light) - Module: 3266 - Size of case / total weight: GF8250 52.0 x 50.3 x 18.0mm / 112g