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Deal.ai › Casio › G Shock Watches
Casio
Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A 200M Men's Watch

Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A 200M Men's Watch

5(1 rating)

Best price now

$134.99at AmazonChecked Nov 8

Compared across 4 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Last seen at $134.99 at Amazon on Nov 8.
  • Checked at 4 stores.

Our take on the Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A 200M Men's Watch

The Casio G-Shock GA-B2100BBR-1A is a solar-powered, Bluetooth-connected analog-digital watch in the slim 2100 series case. It stands out for its 200-meter water resistance, shock-resistant build, and smartphone link features, all in a lightweight 45-gram package. Compared to the original GA-2100, it adds solar charging and Bluetooth, but the bio-based resin strap and subdued colorway may not appeal to everyone. It suits those who want a rugged, low-maintenance watch with smart features and classic G-Shock toughness.

Best forOutdoor enthusiastsEveryday wearTravelersG-Shock collectors
Pros
  • Solar charging for extended use
  • Bluetooth smartphone link for time sync and notifications
  • 200-meter water resistance
  • Shock-resistant construction
  • Lightweight at 45 grams
Cons
  • Glass crystal prone to scratches
  • No atomic timekeeping
  • Limited smart features compared to smartwatches
  • Resin strap may wear over time

Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A 200M Men's Watch prices at every store

  • WalmartNew

    In stockSold by Zera MartReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $135.00Free shippingChecked 19 h ago
    Visit Walmart
  • CreationWatchesNew

    In stock

    $135.00Free shippingChecked Nov 8
    Visit CreationWatches
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $134.99Free shippingChecked Nov 8
    Visit Amazon
  • eBayNew

    Availability unknownReturns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $149.99Free shippingChecked Nov 8
    Visit eBay
  • eBayPre-owned

    Availability unknownShips from Japan · duties may apply · made for another marketReturns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $164.69+ $40.00 shippingChecked Nov 8
    Visit eBay

Store links may earn us a commission. Some prices via Klarna.

Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A 200M Men's Watch price history

Lowest price we've seen: $134.99 on Nov 8 at Amazon. Tracked across 2 stores since Nov 8.

What reviewers say

Owners praise the GA-B2100 for its ruggedness, solar charging, and comfortable fit, though some note the glass crystal scratches easily and the Bluetooth features are basic.

What people mention
  • Solar chargingPraisedReviewers appreciate that solar charging keeps the watch running without battery swaps.
  • Build qualityPraisedOwners find the watch durable and shock-resistant for daily wear.
  • CrystalCriticisedSome users report that the glass crystal scratches easily.
  • BluetoothMixedWhile the smartphone link is useful, some find the connection unreliable.
  • StrapMixedThe resin strap is comfortable but can feel stiff at first.

About the Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A 200M Men's Watch

Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A GAB2100BBR-1 200M Men's Watch

Specifications

color
BlackSource
Case size
46.3 × 41.5 × 11 mmSource
Weight
45 gSource
Case and bezel material
ResinSource
Band material

Questions and answers

Is the GA-B2100 worth it over the original GA-2100?
Yes, if you value solar charging and Bluetooth connectivity. The GA-B2100 adds these features while keeping the same rugged design.
How does the solar charging work?
The watch charges from any light source, so you rarely need to replace the battery. Casio estimates about 2 years of operation in total darkness when fully charged.
What can I do with the Bluetooth connection?
You can sync time automatically, set alarms and timers, and find your phone. It does not show notifications or track fitness.
Is it suitable for swimming and diving?
Yes, it has 200-meter water resistance, making it suitable for swimming and diving, but not for saturation diving.
What is included in the box?
The watch, a user manual, and warranty information are included. No charging cable is needed due to solar charging.
Where is the Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A 200M Men's Watch cheapest?
At Amazon, for $134.99, as of our latest check.
What do buyers say about the Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A 200M Men's Watch?
Rated 5 out of 5 from 1 ratings.
Where can I buy the Casio G-Shock Analog Digital Smartphone Link Bio-Based Resin Strap Black Dial Solar GA-B2100BBR-1A 200M Men's Watch?
4 stores we checked sell it, including Walmart, Amazon, eBay, CreationWatches.

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Resin BandSource
Battery life
Approximately 2 yearsSource
Movement
QuartzSource
Crystal
GlassSource
Series
Casio G-ShockSource
Case Color
BlackSource
Color (Strap)
BlackSource
Movement Type
Quartz, SolarSource
Display Type
AnalogSource
Dial Color
BlackSource
Glass
MineralSource
Watch Strap Material
Plastic, ResinSource
Functions
StopwatchSource
Gender
MaleSource
Case Material
Plastic, ResinSource
Water Protection
20 ATM (200m)Source