CASIO LF-20W-1AEF watch

World time.

Several hours (4 different cities).

World time.

With 31 time zones (48 cities + coordinated universal time), daylight saving time on/off, and home city/world time switching.

Chronometer.

1/100 second stopwatch.

Measuring capacity:

23:59´59.99´´.

Measurement modes:

Elapsed time, time fraction and first and second place time.

Timer.

Countdown timer Measuring unit:

1/10 second Countdown range:

24 hours Countdown start time setting range:

1 second to 24 hours (1 second, 1 minute, and 1 minute increments) hour).

Alarm / time signal.

5 daily alarms or one-time alarms.

time signal.

Lightning.

LED backlight.

Selectable lighting duration (1.5 or 3 seconds), brightness.

Light color.

LED:

Amber.

Calendar.

Full automatic calendar (up to the year 2099).

Mute function.

Turning the button press tone on or off.

Precision.

Accuracy:

±30 seconds per month.

Other options.

12 and 24 hour format.

Timekeeping:

Digital:

hour, minutes, seconds, pm, month, date and day.

Glass.

glass resin.

Compatible band size.

From 125 to 200 mm.

Dimensions (L × W × H).

37.8 × 33.7 × 8.6mm.

Weight.

23g.

Case and Bezel Material.

Resin.

Belt.

Bio-based resin strap.

Waterproof.

Waterproof.

Power supply and battery life.

Approximate battery life:

3 years on CR1616.