Choose timeless versatility with the iconic G-SHOCK octagonal look, now available in refined GA-2100 colors. Made of fine resin reinforced with carbon fiber, for a thinner and lighter watch case, stronger than ever. The simple design and sturdy construction feature a black dial, for a sleek and fashionable look.
Case dimensions (H x W x D)
48.5 × 45.4 × 11.8 mm
Weight
51 g
Case and bezel material
carbon/resin
Strap
Strap in resin
Structure
Shock resistant
Carbon Core Guard structure
Waterproof
Waterproof up to 20 bar
Power and battery life
Approximate battery life: 3 years with SR726W 2
Glass
Mineral glass
World time
World time
31 time zones (48 cities + Coordinated Universal Time), daylight saving time on/off
Stopwatch
Hundredths of a second stopwatch
Measuring Capability:
00’00”00~59’59”99 (for the first 60 minutes)
1:00’00~23:59’59 (after 60 minutes)
Unit of measurement:
1 hundredth of a second (for the first 60 minutes)
1 second (after 60 minutes)
Measurement modes: elapsed time, split time, 1st and 2nd place times
Timer
Countdown timer
Unit of measurement: 1 second
Countdown interval: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Audible Reminder / Time Signal
5 daily sound reminders
Time signal
Light
Double LED light
LED light for the dial (Super Illuminator, selectable illumination duration (1.5 seconds or 3 seconds), luminescence)
LED backlight for the digital display (Super Illuminator, selectable illumination duration (1.5 seconds or 3 seconds), luminescence)
Light color
LED: white
< h2>Calendar
Full automatic calendar (up to the year 2099)
Mute the volume
Turn the pressure tone on/off buttons
Accuracy
Accuracy: ±15 seconds per month
Other features
Hand shift function (hands move for do not block the display of digital display content).
Regular timekeeping:
Analog: 2 hands (hour, minute and second, with the hand moving every 20 seconds), 1 dial (day)
Digital: hour, minute, second, pm, month, date
GA-2100-7A
Case dimensions (H x W x D)
48.5 × 45.4 × 11.8 mm
Weight
51 g
Case and bezel material
carbon/resin
Strap
Strap in resin
Structure
Shock resistant
Carbon Core Guard structure
Waterproof
Waterproof up to 20 bar
Power and battery life
Approximate battery life: 3 years with SR726W 2
Glass
Mineral glass
World time
World time
31 time zones (48 cities + Coordinated Universal Time), daylight saving time on/off
Stopwatch
Hundredths of a second stopwatch
Measuring Capability:
00’00”00~59’59”99 (for the first 60 minutes)
1:00’00~23:59’59 (after 60 minutes)
Unit of measurement:
1 hundredth of a second (for the first 60 minutes)
1 second (after 60 minutes)
Measurement modes: elapsed time, split time, 1st and 2nd place times
Timer
Countdown timer
Unit of measurement: 1 second
Countdown interval: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Audible Reminder / Time Signal
5 daily sound reminders
Time signal
Light
Double LED light
LED light for the dial (Super Illuminator, selectable illumination duration (1.5 seconds or 3 seconds), luminescence)
LED backlight for the digital display (Super Illuminator, selectable illumination duration (1.5 seconds or 3 seconds), luminescence)
Light color
LED: white
< h2>Calendar
Full automatic calendar (up to the year 2099)
Mute the volume
Turn the pressure tone on/off buttons
Accuracy
Accuracy: ±15 seconds per month
Other features
Hand shift function (hands move for do not block the display of digital display content).
Regular timekeeping:
Analog: 2 hands (hour, minute and second, with the hand moving every 20 seconds), 1 dial (day)
Digital: hour, minute, second, pm, month, date
GA-2100-7A
