Colour Variations

At a glance

The classic GA-100 re-imagined with a stylish Marble Camouflage colouring that is the result of a special mixed molding process. This process results in every watch having its own completely unique design, with no two watches being the same. The hour and minute hands feature graduated colouring to complete the look.


Mineral Glass

Hard glass resists scratching

Shock Resistant

Shock Resistant construction protects againt impact and vibration

Water Resistant

200 Metre/20 Bar

Magnetic Resistant

The Case has been specially mounted, so to be shielded from magnetic fields.

Case/Bezel Material


Band Material


Display Illumination

LED backlight for the digital display (Full auto LED light, selectable illumination duration, afterglow)

Auto light switch, selectable illumination duration, afterglow


Accurate measurement of elapsed time with a touch of a button

1/1000th Sec Stopwatch

Measuring capacity: 99:59'59.999''

Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9)

Measuring modes: Elapsed time, lap time, split time

Other: Mach indicator (speed exceeding 1225 units/hour)

Velocity Indicator

Calculates your average speed over a pre-programmed distance.

Alarm Function

Daily Alarm: sounds each day at the time you set

Hourly Time Signal

World Time

Displays the current time in major cities and specific areas around the world.

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

Countdown Timer

A stopwatch that counts backwards: When 0 minutes, 0 seconds is reached, the timer emits a 10-second signal tone.

12/24 Hour Format

Times can be displayed in either a 12-Hour or 24 Hour Format.


+/- 15 seconds per month


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