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

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.

Mineral Glass

Magnetic Resistant

Shock Resistant

200-meter water resistance

Case / bezel material: Resin

Resin Band

LED light (Super Illuminator)

Auto light switch, selectable illumination duration, afterglow

World time

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

1/100-second stopwatch

Measuring capacity: 999:59'59.99''

Measuring modes: Elapsed time, split time, 1st-2nd place times

Countdown timer

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)

12/24-hour format

Button operation tone on/off

Regular timekeeping

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 × 52.2 × 16.5 mm

Total weight: 72 g

LED:White