CASIO ILLUMINATOR AQ-S810W-1BV

World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping

1/100-second stopwatch Measuring capacity: 59’59.99” Measuring modes: Elapsed time, lap 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

LED light (LCD part only) Selectable illumination duration (1.5 seconds or 3 seconds), afterglow

LED:Amber

Full auto-calendar (to year 2099)

Button operation tone on/off

Power Saving (display goes blank to save power when the watch is left in the dark)

Battery power indicator

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

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)