The Casio G-SHOCK GA-B2100DF-4A-S is a rugged analog-digital watch that combines the iconic octagonal G-SHOCK design with advanced Bluetooth® connectivity and Tough Solar charging. Featuring a bold red bio-based resin case and band, Carbon Core Guard construction, and G-SHOCK's legendary shock resistance, it delivers exceptional durability with modern smart functionality. Equipped with 200-meter water resistance, automatic time synchronization, dual LED illumination, and world time, it is ideal for work, travel, sports, and everyday wear. Official specifications are based on Casio's official product documentation.
Key Features
Shock Resistant
Carbon Core Guard structure
Tough Solar power
Bluetooth® smartphone connectivity
200-meter water resistance (20 Bar)
Analog and digital display
Bio-based resin case and band
Dual LED Super Illuminator
World Time
1/100-second stopwatch
Countdown timer
5 daily alarms
Hand Shift feature
Full auto-calendar
Phone Finder
Timekeeping
Displays:
Hour
Minute
Second
Day
Date
Analog and digital time display
Automatic time adjustment via Bluetooth®
World Time (38 time zones)
12/24-hour time formats
Full auto-calendar (to 2099)
High-accuracy quartz movement
Design & Materials
Bio-based resin case
Bio-based resin bezel
Bio-based red resin band
Buckle closure
Mineral glass
Carbon Core Guard construction
Shock-resistant construction
Slim octagonal profile
Lightweight and comfortable design
Colors
Case: Red
Bezel: Red
Band: Red Bio-based Resin
Dial: Black with Red Accents
Hour Markers: Silver-tone with luminous coating
Hands: Silver-tone with luminous coating
Note: The GA-B2100DF-4A-S combines the iconic octagonal "CasiOak" design with Tough Solar charging, Bluetooth® smartphone connectivity, and eco-friendly bio-based resin construction, delivering modern functionality while maintaining the legendary durability of the G-SHOCK 2100 series.
Power
Power Source: Tough Solar (Solar Charging)
Battery Type: Rechargeable solar battery
Power Saving Function: Yes
Water Resistance
200 meters (20 Bar)
Suitable for:
Daily hand washing
Showering
Swimming
Snorkeling
Recreational scuba diving
What's Included
Casio G-SHOCK GA-B2100DF-4A-S Watch
Original Casio Box
Instruction Manual
Warranty Card (provided by the authorized distributor)
