The Casio G-SHOCK GA-2100RC-1A-S is a rugged analog-digital watch that combines the iconic octagonal "CasiOak" design with bold racing-inspired styling. Part of the Racing Color Series, it features a black resin case and band accented with vibrant red details, Carbon Core Guard construction, and G-SHOCK's legendary shock-resistant performance. Lightweight, slim, and exceptionally durable, it offers 200-meter water resistance and versatile everyday functions, making it ideal for motorsport enthusiasts, travel, sports, and daily wear. Official specifications are based on Casio's official product documentation.
Key Features
Shock Resistant
Carbon Core Guard structure
200-meter water resistance (20 Bar)
Analog and digital display
Slim octagonal "CasiOak" design
Racing Color Series styling
Dual LED Super Illuminator
World Time
1/100-second stopwatch
Countdown timer
5 daily alarms
Hand Shift feature
Full auto-calendar
Timekeeping
Displays:
Hour
Minute
Second
Day
Date
Analog and digital time display
World Time (31 time zones, 48 cities + UTC)
12/24-hour time formats
Full auto-calendar (to 2099)
High-accuracy quartz movement (±15 seconds per month)
Design & Materials
Resin case
Resin bezel
Black resin band
Buckle closure
Mineral glass
Carbon Core Guard construction
Shock-resistant construction
Slim octagonal profile
Lightweight and comfortable design
Colors
Case: Black
Bezel: Black
Band: Black Resin
Dial: Black with Red Accents
Hour Markers: Silver-tone with luminous coating
Hands: Silver-tone with luminous coating
Note: The GA-2100RC-1A-S is part of the G-SHOCK Racing Color Series, featuring bold red accents inspired by motorsports while retaining the iconic "CasiOak" silhouette, slim profile, and legendary durability of the GA-2100 series.
Power
Battery Type: SR726W ×2
Approximate Battery Life:3 Years
Water Resistance
200 meters (20 Bar)
Suitable for:
Daily hand washing
Showering
Swimming
Snorkeling
Recreational scuba diving
What's Included
Casio G-SHOCK GA-2100RC-1A-S Watch
Original Casio Box
Instruction Manual
Warranty Card (provided by the authorized distributor)
