G-Shock
Analog Digital DUO Rich Brian collaboration Blue Resin Band Watch
SKU: GA2100RB-3A
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Inspired by a childhood memory and reimagined through bold design, the G-Shock GA2100RB-3A men’s watch fuses cultural storytelling with enduring performance. Featuring a striking seafoam blue resin band and salmon pink accents, this exclusive Rich Brian collaboration brings a unique aesthetic to G-Shock’s legacy of rugged minimalism. Built with a carbon core guard structure and shock-resistant construction, it offers 200 meters of water resistance and a sleek 48.5mm case framed by mineral glass. The analog-digital duo display enhances readability, while features like world time, stopwatch, countdown timer, and five daily alarms support everyday functionality. A tribute to creative roots and global ambition, this timepiece stands out in the watches category for its story-rich design and uncompromising durability.
Feature Overview
Warranty
2 Years
Packaging
G-Shock Box
Case Size
48.5mm
Gender
Men
Glass Material
Mineral Crystal
Movement
Quartz
Water Resistance
200 Meters
Band Type
Blue Resin
Specifications
- Case size (L× W× H): 48.5 × 45.4 × 11.8 mm
Case and bezel material: Carbon / Resin
Band: Resin Band
Construction:
Shock Resistant
Carbon Core Guard structure
Water resistance: 200-meter water resistance
Power supply and battery life: Approx. battery life: 3 years on SR726W X 2 - Glass: Mineral Glass
- Compatible band size: 145 to 215 mm
- Other: Neobrite
- 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)), 1 dial (day)
Digital: Hour, minute, second, pm, month, date
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