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Casio G-Shock GA-B2100-1A black wristwatch
Casio GA-B2100-1A
Photo: Kasperl099 · CC BY-SA 4.0

Manufacturer details checked

Casio

Casio GA-B2100-1A

Exact manufacturer referenceG-SHOCK12 recorded specifications
Series
G-SHOCK 2100 Series
Display
Analog and digital
Case size
48.5 × 45.4 × 11.9 mm
Weight
52 g
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Manufacturer specifications checked for this reference

These specifications were checked against the manufacturer page for this exact reference.

Series
G-SHOCK 2100 Series
Display
Analog and digital
Case size
48.5 × 45.4 × 11.9 mm
Weight
52 g
Case and bezel
Carbon / resin
Band
Resin
Water resistance
200 m (20 bar)
Power
Tough Solar
Glass
Mineral glass
Time adjustment
Bluetooth smartphone link
Construction
Shock Resistant; Carbon Core Guard
Functions
World time, stopwatch, timer, 5 daily alarms, double LED light
View Casio international product source ↗

Checked 2026-09-27 · Regional scope: Casio international · Manufacturer specifications; individual watches may vary.

Original manufacturer wording is retained for source data without a reviewed translation.

Recorded discovery details.

Brand
Casio
Reference token
GA-B2100-1A
Collection candidate
G-SHOCK
Family candidate
GA-B2100
Product type
Watch candidate

Official discovery source

The exact token was retained from a stored official manufacturer URL or feed. The source supports discovery, but does not by itself verify every model detail.

Open official manufacturer page ↗

Source record: sitemap-casio · Manufacturer details checked; editorial publication pending.

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These are discovery candidates, not verified alternatives or product variants.