Casio G-Shock GM-B2100GD-9ADR

The Casio G-Shock GM-B2100GD-9A, also known as the “Full Metal Gold CasiOak,” is a premium full-metal analog-digital watch with a bold gold ion-plated finish and the iconic octagonal 2100-series design.

It features a stainless steel case, bezel, and bracelet with a slim, durable build that balances toughness and comfort. The watch includes Bluetooth connectivity for smartphone syncing, Tough Solar charging, and a high-brightness LED light, combining luxury styling with practical everyday functionality.

Case size:
(L× W× H)
49.8 × 44.4 × 12.8 mm

Case and bezel material:
Stainless steel

Band:
Stainless Steel Band
Solid Band
One-touch 3-fold Clasp

Construction:
Shock Resistant

Water resistance:
200-meter water resistance

Time adjustment:
Bluetooth: Connects to a smartphone and automatically adjusts the time

Power supply and battery life:
Tough Solar (Solar powered)

Glass:
Mineral Glass

World time:
38 time zones (38 cities + coordinated universal time), city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping

Stopwatch:
1/100-second stopwatch

Timer:
Countdown timer

Alarm/hourly time signal:
5 daily alarms
Hourly time signal

Light:
Double LED light

Light color:
LED:White

Mute feature:
Button operation tone on/off

Energy saving feature:
Power Saving (display goes blank to save power when the watch is left in the dark)

Accuracy: ±15 seconds per month (with no mobile link function)

Other features:
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
12/24-hour format
Date/month display swapping
Day display (days of the week selectable in six languages)
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode)
Digital: Hour, minute, second, pm, month, date, day