The Casio G-SHOCK GM-S2100B-8ADR-S is a compact analog-digital watch that combines the iconic octagonal G-SHOCK design with a sleek ion-plated metal bezel. Featuring a gray resin case and band, a dark gray ion-plated stainless steel bezel, and G-SHOCK's Carbon Core Guard construction, it delivers a refined, modern appearance while maintaining exceptional durability. With shock resistance, 200-meter water resistance, dual LED illumination, and versatile timekeeping functions, it is ideal for everyday wear, business, travel, and outdoor adventures. Official specifications are based on Casio's official product documentation.
Key Features
Shock Resistant
Carbon Core Guard structure
200-meter water resistance (20 Bar)
Dark gray ion-plated stainless steel octagonal bezel
Analog and digital display
Dual LED Super Illuminator
World Time
1/100-second stopwatch
Countdown timer
5 daily alarms
Full auto-calendar
Hand Shift feature
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
Carbon Core Guard resin case
Dark gray ion-plated stainless steel bezel
Gray resin band
Buckle closure
Mineral glass
Shock-resistant construction
Slim octagonal profile
Lightweight and comfortable design
Colors
Case: Gray
Bezel: Dark Gray Ion-Plated Stainless Steel
Band: Gray Resin
Dial: Dark Gray
Hour Markers: Silver-tone with luminous coating
Hands: Silver-tone with luminous coating
Note: The GM-S2100B-8ADR-S features the popular compact octagonal "CasiOak" design with a dark gray ion-plated metal bezel and monochromatic gray finish, offering a sophisticated, modern look while retaining the legendary toughness of the G-SHOCK 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 GM-S2100B-8ADR-S Watch
Original Casio Box
Instruction Manual
Warranty Card (provided by the authorized distributor)
