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Casio G-Shock GA-2100-4AD Analog-Digital Dial Red Resin Strap Watch For Men

FA score9.0Excellent
Material9
Design & comfort9.5
Value for money8.5

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Reviewed by Fashion Audit
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Our verdict

What we liked

  • Unique "Casio" Design Features the popular octagonal bezel design that resembles the Audemars Piguet Royal Oak, looking very premium.
  • Strap Flexibility Unlike other G-Shocks, the strap on this model opens up fully, offering a different fit and feel.
  • Dual LED Light Comes with a dual LED setup—one for the dial and one specifically for the digital display, ensuring great visibility.
  • Hand Shift Feature A clever feature that moves the analog hands out of the way to allow a clear view of the digital display when needed.
  • Lume Quality The hour hands glow very brightly in the dark, and even in the day, the glow is visible.

Could be better

  • Small Digital Display The digital display section is quite small, which might make it difficult for some people to read quickly.
  • Missing Tech It lacks solar charging and Bluetooth connectivity.

Specifications

TYPE icon
TYPE
Watch
OCCASION icon
OCCASION
Casual + Sports
DIAL SHAPE icon
DIAL SHAPE
Round
DIAL COLOUR icon
DIAL COLOUR
Red
CASE DIAMETER icon
CASE DIAMETER
45.4 mm
CASE MATERIAL icon
CASE MATERIAL
Resin
DISPLAY STYLE icon
DISPLAY STYLE
Analog Digital
GLASS MATERIAL icon
GLASS MATERIAL
Mineral Glass
HOUR HAND STYLE icon
HOUR HAND STYLE
Sword
STRAP MATERIAL icon
STRAP MATERIAL
Resin
STRAP COLOUR icon
STRAP COLOUR
Red
STRAP CLOSURE icon
STRAP CLOSURE
Tang Buckle
MOVEMENT icon
MOVEMENT
Quartz
POWER SOURCE icon
POWER SOURCE
Battery powered
WATER RESISTANCE icon
WATER RESISTANCE
200 Meter
WARRANTY icon
WARRANTY
2 Year
GENDER icon
GENDER
Men

About Casio

All Casio

Casio began in Japan in April 1946 as Kashio Seisakujo, set up by Tadao Kashio and his three brothers, and made its name with calculators before it made watches. The listed Casio Computer Co. still owns it outright. In 2025 Casio started making 28 watch models in India, and it sells G-Shock, Edifice and Vintage through its own stores and authorised retailers.

Brand auditCasio Brand Audit: What Local Manufacturing ChangesCasio started making 28 watch models in India in 2025 and said nothing about price. What a G-Shock costs here, why duty made it expensive, and what should change.Read the full audit

Questions about this product

Is the Casio G-Shock GA-2100-4AD Analog-Digital Dial Red Resin Strap Watch For Men worth buying?

We rate it 9/10 (excellent) after buying and testing it ourselves. What we liked most: Unique "Casio" Design: Features the popular octagonal bezel design that resembles the Audemars Piguet Royal Oak, looking very premium. Could be better: Small Digital Display: The digital display section is quite small, which might make it difficult for some people to read quickly.

Where can I buy the Casio G-Shock GA-2100-4AD Analog-Digital Dial Red Resin Strap Watch For Men?

It’s listed on Flipkart, Myntra and Nykaa. The store buttons at the top of this page open each listing, so you can check today’s price and sizes there.

What is the Casio G-Shock GA-2100-4AD Analog-Digital Dial Red Resin Strap Watch For Men made of?

Case diameter: 4 mm; Case material: Resin; Glass material: Mineral Glass; Strap material: Resin. See Specifications above for the full details.

How are the design and comfort of the Casio G-Shock GA-2100-4AD Analog-Digital Dial Red Resin Strap Watch For Men?

We score its design and comfort together at 9.5/10 (excellent), after wearing it ourselves.

Is the Casio G-Shock GA-2100-4AD Analog-Digital Dial Red Resin Strap Watch For Men good value for money?

Its value-for-money score is 8.5/10 (great): we weigh what you get against similar products we’ve tested.

Is Casio an Indian brand?

No. Casio is from Japan, founded in 1946.

Is Casio a good brand?

We have bought and tested 49 Casio products, and their average FA score is 8.3/10 (great). The best-rated so far is the Casio Enticer Analog Blue Dial Watch For Men at 9.7/10.

How does Fashion Audit score products?

We buy every product ourselves and score it out of 10 on material quality, design and comfort and value for money. The FA score is the average of those scores. No paid placements: brands can’t buy a better score.

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