This new GA-310 series comes with large Arabic numerals at 12 and 6 o'clock for an attractive mechanical look. GA-310 is available in either basic black or brighter colors.
The GA-310 also features a high-brightness LED and a multi-dimensional face design that help to make face information easier to read.
200-meter water resistance
Case / bezel material: Resin
LED light (Super Illuminator)
Auto light switch, selectable illumination duration, afterglow
29 time zones (48 cities coordinated universal time), daylight saving on/off, Home city/World time city swapping
Measuring capacity: 999:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Full auto-calendar (to year 2099)
Button operation tone on/off
Analog: 2 hands (hour, minute (hand moves every 20 seconds))
Digital: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery life: 3 years on SR927W × 2
Size of case: 55.1 X 52.2 X 16.5 mm
Total weight: 72 g