Experience the charm of polarized color dials inspired by the sparkling summer sea — designed to elevate your sunny style.
Each dial captures the shimmering beauty of sunlight dancing across the ocean, revealing a unique glow from every angle. Combined with matte-textured bezels and bands, these watches balance brilliance with refined minimalism. Perfect as bold accents for streetwear or summer outfits, they bring a distinctive, eye-catching touch to any look.
Lighten up your sunny style with a GMAP2100 watch featuring a polarized color dial. This luxe-look compact timepiece gives off a colorful shine that changes from every angle, and the glossy indexes sparkle with even more impact.
The matte-textured bezel and band project a striking, refined counterbalance that highlights the design’s unique brilliance.
Key resin components used in the bezel and band are made with bio-based resin, a material expected to help reduce environmental impact. Add a singular touch to your summer styling with this bold street fashion accent.
Specifications
Basic Information
Case size (L× W× H):
46 × 40.2 × 11.2 mm
Weight:
40 g
Case and bezel material:
Resin / Bio-based resin
Band:
Bio-based resin band
Construction:
Shock Resistant
Water resistance:
200-meter water resistance
Power supply and battery life:
Approx. battery life: 3 years on CR1025
Exterior
Glass:
Mineral Glass
Compatible band size:
145 to 190 mm
Other
Neobrite
Watch Features
World time:
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off
Stopwatch:
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
Timer:
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)
Alarm/hourly time signal:
5 daily alarms
Hourly time signal
Light:
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)
Light color:
LED:White
Calendar:
Full auto-calendar (to year 2099)
Mute feature:
Button operation tone on/off
Accuracy:
Accuracy: ±15 seconds per month
Other features:
12/24-hour format
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds))Digital: Hour, minute, second, pm, month, date, day
Features:
Polarized color dials reflecting the sparkle of sunlit seas
The dials showcase a stunning polarized color vapor deposition that shifts in tone and brilliance with every movement of your wrist. To elevate the shimmer even further, the indexes are finished with a sleek, glossy coating that adds an extra layer of radiance to the design.
Polarized color dials reflecting the sparkle of sunlit seas

Compact size for a more comfortable fit
The iconic G-SHOCK silhouette you love — now redesigned in a more compact, wrist-friendly size. The band length has been thoughtfully adjusted to ensure a comfortable and secure fit, even on slimmer wrists.
Adjustable band length
- GA-2100: 145–215 mm
- GMA-S2100: 140–205 mm
- GMA-P2100: 145–190 mm

Attention to materials: Bio-based resin
Key resin components in the bezel and band are crafted using bio-based resin — a material chosen to help reduce environmental impact while maintaining durability and performance.















Validate your login