Casio Gents Solar Powered Black Worldtimer Watch AQ-S820W-1AVEF

Casio Gents Solar Powered Black Worldtimer Watch AQ-S820W-1AVEF. Case size (L× W× H) 52.5 × 50.1 × 12.7 mm Weight 46 g Case and bezel material Resin Band Resin Band Water resistance 100-metre water resistance Power supply and battery life Solar powered Country of origin China Exterior Glass Resin Glass Compatible band size 145 mm to 215 mm Watch Features World time 31 time zones (48 cities + Coordinated Universal Time), daylight saving on/off, Home city/World time city swapping Stopwatch 1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, lap time, split time Timer 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: Auto-repeat (number of repeats settable from 1 to 10) Alarm/hourly time signal 5 daily alarms Hourly time signal Light LED light Selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light colour LED: Amber Calendar Full auto-calendar (to year 2099) Mute feature Button operation tone on/off Energy saving feature Power Saving (display goes blank to save power when the watch is left in the dark) Battery display/alert Battery power indicator Run time 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) Accuracy: ±30 seconds per month Other features 12/24-hour format Regular timekeeping: Analog: 2 hands (hour, minute (hand move every 20 seconds)) Digital: Hour, minute, second, pm, month, day, 6-language day of the week indicator (English, Portuguese, Spanish, French, German, Italian)