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G-Shock

G-Shock GA2100GB-1A Black One Size

Based on 61 reviews
Condition: New
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$125.00
Save $8.00 was $133.00

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This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, Nov 8
Order within 23 hours and 39 minutes

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At a glance

Condition
New
Color
Black
Model
GA-2100GB-1ACR
Display
Analog-Digital
Watch Movement Type
Japanese Quartz
Additional Features
Alarm
Power Source
Battery Powered
In the box
User Manual

Features 1

  • G-Shock GA2100GB-1A Black One Size

Specs 41

Display Analog-Digital
Watch Movement Type Japanese Quartz
Additional Features Alarm
Power Source Battery Powered
Strap Type Two Piece Strap
Water Resistance Depth 100 meters
Sport Type Walking
Clasp Type Buckle

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Nov 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

Very nice
Review Image by R. Hill
The gold is much more vivid in life. Camera doesn’t capture it. Bought the separate Mod Steel Bracelet. Very pleased with the results.
Reviewed in the United States on October 2, 2026 by R. Hill
Nice
Nice vintage look, and can swap out bezel and place in premium band
Reviewed in the United States on August 13, 2026 by Mel
Beautiful watch for the money
It is a Casio 2100, what else do I need to say?
Reviewed in the United States on August 3, 2026 by Bobby-N-De
Recomendado
Review Image by Eduardo E Martin Pazos
Muy elegante y fino super recomendado
Reviewed in the United States on September 18, 2026 by Eduardo E Martin Pazos
Perfect watch
Perfect
Reviewed in the United States on August 2, 2026 by mark brunner
Great gift
Perfect gift for my teenage son
Reviewed in the United States on July 7, 2026 by courtney
made cheap
well, 1st of all I received the box opened and in disarray which was questionable to me. It appeared to be ok but upon closer examination it seemed to be very light and plastic like material. NOT SURE ABOUT THIS ONE???
Reviewed in the United States on September 30, 2026 by Marion
Me encantó un buen reloj para toda la vida
Me gusta esta perfecto
Reviewed in the United States on June 20, 2026 by Yander Perez Garcia
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