Casio AQ-S810W-1BVDF AQ-S810W-1B Tough Solar Mens Watch

Casio Tough Solar Mens Watch AQ-S810W-1BV AQS810W

Descriptions : 
Case / bezel material: Resin
Resin Band
100-meter water resistance
Resin Glass
Neobrite
LED light (LCD part only)
Selectable illumination duration, afterglow
Solar powered
World time31 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 time2 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 105 daily alarmsHourly 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/total weight: 52.2 X 46.6 X 13.8 mm/39.5 g
LED:Umber