Casio G-Shock GA-B2100-1A1ER - Black
Casio G-Shock GA-B2100-1A1ER Black
GA-B2100-1A1ER
The Casio G-Shock GA-B2100-1A1ER Black blends the sleek octagonal design of the 2100 series with Bluetooth® connectivity and Tough Solar power. Its fully black exterior enhances its minimalist and rugged style. With shock resistance, 20-bar water resistance and features like world time, flight log, super illuminator and multiple alarms, this model delivers exceptional durability and modern functionality.
Key Features
Bluetooth® Smart for low-energy smartphone connection
Smartphone Time automatic global time sync
Super Illuminator bright LED display light
Shock resistant structure
Tough Solar power with rechargeable battery storage
Neo-display glowing hands and markers
World time with 29 time zones
Stopwatch 1/100 sec up to 24 hours
Timer 1 sec up to 24 hours
5 daily alarms
Button tone on or off
Hand shift function for unobstructed display view
Phone Finder
Day display in multiple languages
Flight Log Memory for GPS-based time and location storage
Automatic calendar
12/24 hour format
Mineral glass
Resin case and strap
Buckle closure
Water resistance 20 bar (ISO 22810)
Technical specifications
Glass: Mineral
Case: Resin
Band: Resin
Water resistance: 20 bar
Power: Tough Solar
SKU
GA-B2100-1A1ER
Keywords
Casio, G-Shock, GA-B2100, octagonal watch, bluetooth watch, tough solar watch, shock resistant, 20 bar water resistant, analog-digital watch, super illuminator, flight log memory, neo display, phone finder, resin strap, unisex watch




