CASIO SOLAR POWERED • Tough solar • World time • 1/100-second stopwatch • 5 alarms • LED light (LCD part only) • 100-meter water resistance • Sporty design • 6-language day of the week indicator (English, Portuguese, Spanish, French, German, Italian) Resin Glass Neobrite 100-meter water resistance Case / bezel material: Resin Resin Band LED light (LCD part only) Selectable illumination duration, afterglow Solar powered World time 31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off, Home city/World time city swapping 1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, split time 2 countdown timers Can be used during interval training that alternates between two different paces. Measuring unit: 1 second Input range: 00'05" to 99'55" (1-minute increments and 5-second increments) Other: Number of repeats settable from 1 to 10 5 daily alarms Hourly time signal Battery power indicator Power Saving (display goes blank to save power when the watch is left in the dark) Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Hour, minute, second, pm, year, month, day, 6-language day of the week indicator (English, Portuguese, Spanish, French, German, Italian) Accuracy: ±30 seconds per month Approx. battery operating time: 10 months on rechargeable battery (operation period with normal use without exposure to light after charge) 23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Size of case: 52.2 × 46.6 × 13.8 mm