The Casio G-SHOCK GMA-S2100BA-4ADR-S is a compact analog-digital watch that combines the iconic octagonal G-SHOCK design with a modern monochromatic finish. Featuring a soft pink resin case and band, Carbon Core Guard construction, and G-SHOCK's legendary shock resistance, it offers a lightweight, stylish design built for everyday durability. With 200-meter water resistance, dual LED illumination, and practical timekeeping functions, it is an excellent choice for casual wear, sports, travel, and everyday 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)
Analog and digital display
Lightweight compact design
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
Resin bezel
Pink resin band
Buckle closure
Mineral glass
Shock-resistant construction
Compact octagonal profile
Lightweight and comfortable design
Colors
Case: Pink
Bezel: Pink
Band: Pink Resin
Dial: Pink
Hour Markers: Pink with luminous coating
Hands: Pink with luminous coating
Note: The GMA-S2100BA-4ADR-S features the popular compact octagonal "CasiOak" design in a stylish monochromatic pink finish, combining modern aesthetics with the legendary durability and everyday functionality 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 GMA-S2100BA-4ADR-S Watch
Original Casio Box
Instruction Manual
Warranty Card (provided by the authorized distributor)