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Casio GA-B2100-3A G-Shock olive green carbon-reinforced resin octagonal ana-digi sport watch

CasioG-Shock GA-B2100-3A

A silent sentinel forged from carbon and captured light

10 510 
Original
Official
warranty
out of stock

Key Specifications

Style:
Dial:
Case:
Glass:
Strap:
Movement:
Water resistance:
Sport, Casual
Ana-Digi
Polymer
Mineral Crystal
Polymer
Quartz
200 m
Warranty — 24 months
overview

Casio G-Shock GA-B2100-3A in detail

decorative backround
Casio GA-B2100-3A displayed on an industrial threaded bolt. The matte sage green resin case and octagonal bezel contrast against the dark dial, highlighting a rugged, utilitarian aesthetic for outdoor adventure.
The matte olive shell rests against cold industrial steel, a testament to endurance in a world of constant motion.

Carbon-reinforced architecture ensures that its strength remains hidden beneath a deceptively lightweight and slim profile.
decorative backround
A wrist shot of the olive green Casio GA-B2100-3A paired with a textured khaki shirt. The slim profile and integrated resin strap offer a modern tactical look, perfect for a coordinated and functional casual style.
Tucked beneath the sleeve of a weathered shirt, it becomes a quiet partner for the daily grind.

This piece does more than measure moments; it harnesses the very light around you to fuel its perpetual journey.
decorative backround
Outdoor lifestyle view of the forest green Casio GA-B2100-3A on a cyclist's wrist. Bright natural light emphasizes the sharp octagonal edges and analog hands, capturing an active and versatile urban vibe.
Under the open sky, the sharp octagonal bezel cuts a distinct silhouette against the rush of the wind.

With a silent link to your digital world, it bridges the gap between raw exploration and modern precision.
decorative backround
The Casio GA-B2100-3A styled with a minimalist white t-shirt. The deep green matte finish stands out against the wrist, showcasing a sleek, contemporary design that balances street style with functional durability.
Against a backdrop of pure white, the deep forest tones reveal a soul rooted in the earth yet reaching for the future.

It serves as a steady point on the wrist, offering clarity through its charcoal face when the world grows loud.

CasioG-Shock GA-B2100-3A — specifications

Gender

Collection

Brand country

Japan
WEIGHT
65 g
LUG TO LUG
48.5 mm
WIDTH
45.4 mm
THICKNESS
11.9 mm
WATER RESISTANCE
SHOCK RESISTANCE
WARRANTY
24 months
MATERIAL
POLYMER TYPE
Casio Resin
COLOR
FINISH
Matte
CROWN POSITION
Buttons Only
CROWN GUARD
Present
CASEBACK TYPE
On screws
CASEBACK MATERIAL
Stainless Steel
LUG WIDTH
16
FEATURES
Thin Profile, Carbon Reinforcement
MATERIAL
Polymer
FINISH
Matte
COLOR
Green
COLOR TONE
Olive
TYPE
Functional
ACTION
Fixed
FUNCTION
Protection
LUME
Absent
COATING
Absent
SHAPE
Flat
CYCLOP
Absent
DISPLAY TYPE
COLOR
COLOR TONE
Charcoal
DISPLAY COLOR
FINISH
Matte
TEXTURE
Flat
MARKERS TYPE
Indices
HANDS TYPE
Sword
LUME
Present
LUME TYPE
Neobrite, White LED
LUME LED PLACEMENT
Dial-5oclock, Digital-display
SUBDIALS LAYOUT
Mono-Compax (9)
VISUAL FEATURES
Negative Display
TYPE
MANUFACTURER
Casio (In-house)
Module
5689
POWER RESERVE
Approx. 7 Months
POWER SOURCE
BATTERY TYPE
CTL920
ACCURACY
±15 Seconds per Month
FREQUENCY
32 768 Hz
MATERIAL
POLYMER TYPE
Casio Resin
STRAP STRUCTURE
Corrugated
MOUNT TYPE
Quick release spring bar
COLOR
COLOR TONE
Olive
FINISH
Matte
CLASP MATERIAL
Stainless Steel
CLASP TYPE
Pin Buckle
CLASP FINISH
Brushed
1/100-second Stopwatch
5 Daily Alarms
World Time
Countdown Timer
Battery Level Indicator
Tough Solar
Power Saving
Bluetooth
Hand Shift
Phone Finder
Afterglow

Shipping & Payment

Payment can be made in any convenient way: cash or by card at a post office or by card online.
Free shipping. No commission fees.

Warranty & Returns

Returns within 14 days of purchase
Warranty: 
24 months

Return Conditions:

• Original packaging and full set of accessories included
• No signs of use, scratches, or damage
• Receipt and warranty card must be provided

To claim warranty service, please provide:
• A completed warranty card
• Sales receipt
• The product in its full set (box, documentation, accessories)

The warranty covers manufacturing defects. Repairs are performed by an authorized service center within 45 days. The warranty period is extended for the duration of the repair.

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Casio GA-B2100-3A G-Shock olive green carbon-reinforced resin octagonal ana-digi sport watch
Casio
G-Shock GA-B2100-3A

A silent sentinel forged from carbon and captured light

10 510 
out of stock
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