Fiery and bold G-SHOCK watches glowing with flames of awesome color.
G-SHOCK is all about taking on challenges, and the vivid colorful gradation of the Flame Inside line puts this blazing passion front and center.
Beginning with the GA-100 with distinctive large case and the GA-2100 with octagonal case, the design brings in motifs of billowing smoke for the band and features a brightly burning dial in flames of blues or oranges.
Choose your favorite look — the GA-100FL-1A or GA-2100FL-1A with vivid blue dial and gradated gray-on-black body, representing the hottest flames of conviction against rising white plumes of smoke; or the GA-100FL-8A or GA-2100FL-8A with bold orange dial and gradated black-on-gray body, evoking flames of fiery passion against a dark smokey backdrop.

Case / bezel material: Carbon / Bio-based resin
Bio-based resin band
Mineral Glass
Neobrite
Shock Resistant
Carbon Core Guard structure
200-meter water resistance
Double LED light
LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED:White
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off 
1/100-second stopwatch
Measuring capacity:
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
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 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
5 daily alarms
Hourly time signal
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)
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)), 1 dial (day)
Digital: Hour, minute, second, pm, month, date
Accuracy: ±15 seconds per month
Approx. battery life: 3 years on SR726W X 2
Size of case : 48.5 × 45.4 × 11.8 mm
Total weight : 51 g