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Deal.ai › Casio
Casio
G-Shock 2100 Series Duo Digital Mens Watch GAB2100-1A
Casio

G-Shock 2100 Series Duo Digital Mens Watch GAB2100-1A

4.9(49 ratings)

Best price now

$138.63at Montres Big Time WatchesChecked Nov 8

16% under what the other stores charge

Compared across 5 stores. Prices are checked against each store and labelled with when.

Visit Montres Big Time Watches

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Price facts

  • Last seen at $138.63 at Montres Big Time Watches on Nov 8.
  • Checked at 5 stores.

Our take on the G-Shock 2100 Series Duo Digital Mens Watch GAB2100-1A

The G-Shock GAB2100-1A is the solar-powered, Bluetooth version of Casio's octagonal 2100 series. It pairs a carbon fiber reinforced resin case with Tough Solar charging and Smartphone Link, so the watch sets its own time and syncs across 38 time zones. It suits people who want a rugged everyday watch with analog-digital looks and no battery swaps. Against the standard GA-2100 it adds solar and Bluetooth; against the metal-bezel GM-2100 it stays lighter and more casual. Owners rate it highly for build and legibility.

Best forEveryday wear with casual or streetwearTravelers crossing time zonesBuyers who want solar charging and no battery changesFans of the octagonal G-Shock look
Pros
  • Tough Solar charging removes routine battery swaps
  • Bluetooth Smartphone Link keeps time accurate and handles 38 world time zones
  • Carbon Core Guard case is light but shock resistant
  • 200-meter water resistance
  • Super Illuminator LED and Neobrite hands read well in the dark
  • Mineral glass and understated octagonal styling
Cons
  • Bluetooth sync depends on the phone app
  • LCD is small and the dual-layer dial can look busy
  • No sapphire crystal at this tier
  • Resin case and bezel show scuffs over time

G-Shock 2100 Series Duo Digital Mens Watch GAB2100-1A prices at every store

  • Montres Big Time WatchesNew

    In stockPriced in CAD (CA$195.00)Return policy

    $138.63Checked Nov 8
    Visit Montres Big Time Watches
  • BrandsWalkNew

    In stockReturn policy

    $165.00Checked Nov 8
    Visit BrandsWalk
  • Teddy BaldassarreNew

    In stockReturn policy

    $165.00Checked Nov 8
    Visit Teddy Baldassarre
  • Arizona Fine TimeNew

    In stockReturn policy

    $165.00Checked Nov 8
    Visit Arizona Fine Time
  • Watch DirectNew

    In stockShips from Australia · duties may applyReturn policy

    $169.00Checked Nov 8
    Visit Watch Direct

What reviewers say

  • 4.9 / 549 ratings

Owners rate it 4.9 out of 5 and praise the light, tough case, solar power and accurate timekeeping. Complaints are minor and center on the small LCD and the reliance on the phone app.

What people mention
  • BuildPraisedOwners describe the carbon case as light yet tough and shock resistant.
  • Solar chargingPraisedBuyers like that Tough Solar keeps it running without battery changes.
  • TimekeepingPraisedPhone sync is reported to keep the time precise, including across time zones.
  • LegibilityMixedThe LED and Neobrite help at night, but some find the small LCD and layered dial busy.
  • App relianceCriticisedA few owners note that full Bluetooth features depend on the phone app.

About the G-Shock 2100 Series Duo Digital Mens Watch GAB2100-1A

The G-Shock GAB2100-1A is a digital men's watch from Casio's 2100 Series. It has an octagonal case with a dual-layer dial that adds depth to the LCD display.

The case uses a Carbon Core Guard structure and is made of carbon fiber reinforced resin, which keeps it light on the wrist. The watch has mineral glass and Neobrite luminous coating. It is water resistant to 200 meters.

It is powered by Tough Solar. Bluetooth Smartphone Link supports precise timekeeping, and the watch covers 38 world time zones. A high-brightness Super Illuminator LED makes the display easier to read in low light.

Series
G-Shock 2100 Series
Model
GAB2100-1A
Display
Digital, dual-layer dial
Case
Octagonal, carbon fiber reinforced resin, Carbon Core Guard structure
Crystal
Mineral glass
Water resistance
200 meters
Power
Tough Solar
Connectivity
Bluetooth Smartphone Link
World time
38 time zones
Lighting
Super Illuminator LED, Neobrite

Questions and answers

How is the GAB2100-1A different from the GA-2100?
It adds Tough Solar charging and Bluetooth Smartphone Link. The GA-2100 runs on a standard battery and has no phone sync.
Does it need a battery change?
No routine battery swap. Tough Solar charges from light, and the rechargeable cell is meant to last years.
How accurate is the timekeeping?
With Bluetooth link it corrects itself from your phone. Without a phone it runs as a standard quartz watch.
Is it good for swimming?
Yes. It is rated to 200 meters water resistance, which covers swimming and snorkeling, not deep diving.
What is in the box?
The watch, a quick-start guide and the usual G-Shock paperwork. No charging cable is needed because it charges from light.
Does it fit large wrists?
The resin strap and case suit most wrists. Check the stated case and strap dimensions if you are near the extremes.
Where is the G-Shock 2100 Series Duo Digital Mens Watch GAB2100-1A cheapest?
At Montres Big Time Watches, for $138.63, 16% under what the other stores charge, as of our latest check.
What do buyers say about the G-Shock 2100 Series Duo Digital Mens Watch GAB2100-1A?
Rated 4.9 out of 5 from 49 ratings.
Where can I buy the G-Shock 2100 Series Duo Digital Mens Watch GAB2100-1A?
5 stores we checked sell it, including Watch Direct, BrandsWalk, Teddy Baldassarre, Arizona Fine Time, Montres Big Time Watches.

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