LF-30W-3A

Basic information Case size (length × width × height) 37.8 × 33.7 × 8.6 mm Weight 23 g Case and frame material Resin Strap Resin strap Water resistance Water resistant Power source and battery life Approximate battery life: 3 years on CR1616 Watch features World time Multiple time zones (4 different cities) World time: 31 time zones (48 cities + UTC), daylight saving time on/off, local city/UTC city switching Stopwatch Precise stopwatch 1/100 second measurement capability: 23:59'59.99'' Measurement modes: Elapsed time, split time, two-place times Timer Countdown timer Unit of measurement: 1/10 second Countdown range: 24 hours Set start time for countdown: from 1 second to 24 hours (with 1 second, 1 minute, and 1 hour increase rates) Alarm/Hourly chime 5 daily alarms (once or daily) Hourly chime Backlight LED backlight with adjustable duration (1.5 seconds or 3 seconds), light color: amber Calendar Full automatic calendar (up to year 2099) Mute feature Turn on/off button tone Accuracy Accuracy: ±30 seconds per month