Casio
Water Resistant Shock Resistant G-Shock Men'S Watches Modern Watch

G-Shock Garish Rainbow Series GA2100RGB-1A: The Ultimate Modern Watch

4.40 (57)
Best price today
$99.99
Save 8.46% vs RRP
Best
AMAZON
4.40 (57)
In stock
$99.99
$109.23 -8.46%
Go to store
Prices last updated Dec 08, 2025

Highlights

  • Shock resistant for maximum durability
  • 20 bar water resistant for aquatic activities
  • Glow-in-the-dark feature for easy visibility at night
  • Stylish modern design with a vibrant rainbow finish
  • Lightweight plastic construction for comfortable wear
  • Perfect for men who enjoy outdoor sports and activities
  • Includes G-Shock Garish Rainbow Series GA2100RGB-1A watch

Description

Introducing the G-Shock Garish Rainbow Series GA2100RGB-1A, a modern wristwatch that redefines durability and style. This striking timepiece from the renowned G-Shock brand combines a sleek black plastic design with a vibrant rainbow gloss finish, making it a perfect accessory for any occasion. Designed for men who appreciate both function and fashion, this watch is not just about looks—it’s engineered for performance. With a shock-resistant structure, this watch can withstand the rigors of daily wear and tear, ensuring it remains a reliable companion in any situation. The impressive 20-bar water resistance allows you to dive into adventures without worrying about damaging your watch, whether you're swimming or walking in the rain. Plus, the watch features an easy-to-read display that glows in the dark, making it ideal for nighttime activities. Lightweight yet strong, the G-Shock Garish Rainbow Series GA2100RGB-1A is perfect for active individuals who enjoy walking and exploring the outdoors. Launched on April 7, 2023, this timepiece is a must-have for any watch enthusiast looking to make a statement. Upgrade your collection with the G-Shock Garish Rainbow Series GA2100RGB-1A today!

Specifications

Date First Available April 7, 2023
Manufacturer G-Shock
Best Sellers Rank #687,532 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #3,556 in Men's Wrist Watches
Customer Reviews 4.4 4.4 out of 5 stars (57) 4.4 out of 5 stars
Part Number GA2100RGB-1A
Brand Casio
Brand Name G-Shock
Model Name G-Shock Garish Rainbow Series GA2100RGB-1A
Included Components G-Shock Garish Rainbow Series GA2100RGB-1A
Sport Type Walking
Style Modern
Manufacturer Warranty Description Warranty
Material Plastic
Color Black
Item Package Dimensions 4.25 x 4 x 2.5 inches
Package Weight 0.05 Kilograms
Suggested Users Mens
Number Of Items 1
Size One Size

Price history

Reviews

No user reviews yet. Write first.

Casio

Casio Men's Vintage A158WA-1 Water Resistant Digital Watch
Casio Men's Vintage A158WA-1 Water Resistant Digital Watch
(59511)
$29.40
Casio LRW200H Series Women's Analog Watch - Black Sporty Design
Casio LRW200H Series Women's Analog Watch - Black Sporty Design
(58787)
$45.95
$43.13
Casio MDV106 Series Unisex Analog Watch - White Resin Band
Casio MDV106 Series Unisex Analog Watch - White Resin Band
(58785)
$45.95
$41.51
CASIO Women's LA670WGA-9 Gold Stainless-Steel Quartz Watch
CASIO Women's LA670WGA-9 Gold Stainless-Steel Quartz Watch
(58775)
$54.95
$45.62
Casio Men's Stainless Steel Quartz Sport Watch with Resin Strap, Black, 26
Casio Men's Stainless Steel Quartz Sport Watch with Resin Strap, Black, 26
(58775)
$89.95
$67.99
Casio Men's Stainless Steel Quartz Sport Watch with Resin Strap, Black - Model MDV-106B-1A3VCF
Casio Men's Stainless Steel Quartz Sport Watch with Resin Strap, Black - Model MDV-106B-1A3VCF
(58764)
$89.95
$64.48
View all

Best Deals

Invicta Men's 0929 Anatomic Subaqua Watch
Invicta
Invicta Men's 0929 Anatomic Subaqua Watch
(10)
Plastic
$78.89
Casio Pop LF-30W Series - LED Illuminator, World Time, and Stopwatch
Casio
Casio Pop LF-30W Series - LED Illuminator, World Time, and Stopwatch
(37)
Resin | Mens
$39.95 $33.98
Invicta Men's 22785 Speedway Analog Display Quartz Black Watch
Invicta
Invicta Men's 22785 Speedway Analog Display Quartz Black Watch
(850)
Stainless Steel | Mens
$129.90 $53.88
Timex Women's Simone Multifunction 38mm Watch - White Strap, White Dial, Gold-Tone Case
Timex
Timex Women's Simone Multifunction 38mm Watch - White Strap, White Dial, Gold-Tone Case
(17)
Womens | Brass
$45.78
TIMEX Men's Easy Reader 38mm Watch - Vegas Golden Knights Edition
Timex
TIMEX Men's Easy Reader 38mm Watch - Vegas Golden Knights Edition
(15)
Brass
$79.00 $42.73
Timex Men's Easy Reader 35mm Day-Date Watch – Gold-Tone Case
Timex
Timex Men's Easy Reader 35mm Day-Date Watch – Gold-Tone Case
(20387)
Mens | Brass
$71.00 $56.80
Timex Tribute Men's NHL Citation 42mm Watch – Toronto Maple Leafs
Timex
Timex Tribute Men's NHL Citation 42mm Watch – Toronto Maple Leafs
(67)
Brass
$89.00 $65.86
Timex Women's Easy Reader 25mm Watch - Gold-Tone Expansion Band White Dial
Timex
Timex Women's Easy Reader 25mm Watch - Gold-Tone Expansion Band White Dial
(5004)
Womens | Brass
$73.00 $49.92
Invicta Men's 15862 S1 Rally Analog Display Japanese Automatic Black Watch
Invicta
Invicta Men's 15862 S1 Rally Analog Display Japanese Automatic Black Watch
(664)
Stainless Steel
$129.99 $79.90
Tissot Unisex Everytime 34mm Quartz Watch
Tissot
Tissot Unisex Everytime 34mm Quartz Watch
(2)
Stainless Steel | Unisex
$315.00
Timex Women's Easy Reader 30mm Watch - Black Strap White Dial Silver-Tone Case
Timex
Timex Women's Easy Reader 30mm Watch - Black Strap White Dial Silver-Tone Case
(109)
Womens | Brass
$67.00 $42.50
Timex Women's Modern Easy Reader 32mm Watch – Gold-Tone Case
Timex
Timex Women's Modern Easy Reader 32mm Watch – Gold-Tone Case
(2076)
Brass
$63.00 $44.70
Seiko Women's Automatic Watch Stainless Steel with Multicolour Strap - SYMG42K1
Seiko
Seiko Women's Automatic Watch Stainless Steel with Multicolour Strap - SYMG42K1
(1822)
Stainless Steel
$151.20
Timex Men's Expedition Scout 40mm Watch – Gray Case Blue Dial
Timex
Timex Men's Expedition Scout 40mm Watch – Gray Case Blue Dial
(27417)
Brass
$49.99
Timex Tribute Men's Collegiate Gamer 42mm Watch – Navy Midshipmen
Timex
Timex Tribute Men's Collegiate Gamer 42mm Watch – Navy Midshipmen
(0)
Mens | Brass
$69.95 $55.20
Invicta Men's Speedway 42mm Stainless Steel Quartz Watch - Two Tone
Invicta
Invicta Men's Speedway 42mm Stainless Steel Quartz Watch - Two Tone
(39)
Stainless Steel | Mens
$60.49
Invicta Men's 0076 Pro Diver Collection Chronograph Black Ion-Plated Stainless Steel Watch
Invicta
Invicta Men's 0076 Pro Diver Collection Chronograph Black Ion-Plated Stainless Steel Watch
(23439)
Stainless Steel | Mens
$53.88
Invicta Women's Specialty Quartz Watch, Rose Gold - Model 29417
Invicta
Invicta Women's Specialty Quartz Watch, Rose Gold - Model 29417
(45)
Stainless Steel | Womens
$89.90 $59.27
Timex Men's Easy Reader 38mm Watch - Clemson Tigers with Expansion Band
Timex
Timex Men's Easy Reader 38mm Watch - Clemson Tigers with Expansion Band
(5)
Brass
$79.00 $47.80
Timex Men's Waterbury 41 mm Watch, Black Leather Strap
Timex
Timex Men's Waterbury 41 mm Watch, Black Leather Strap
(1)
Mens
$139.97
Show more

You may also like

Casio Men's Vintage A158WA-1 Water Resistant Digital Watch
Casio Men's Vintage A158WA-1 Water Resistant Digital Watch
(59511)
$29.40
Casio LRW200H Series Women's Analog Watch - Black Sporty Design
Casio LRW200H Series Women's Analog Watch - Black Sporty Design
(58787)
$45.95
$43.13
Casio MDV106 Series Unisex Analog Watch - White Resin Band
Casio MDV106 Series Unisex Analog Watch - White Resin Band
(58785)
$45.95
$41.51
CASIO Women's LA670WGA-9 Gold Stainless-Steel Quartz Watch
CASIO Women's LA670WGA-9 Gold Stainless-Steel Quartz Watch
(58775)
$54.95
$45.62
Casio Men's Stainless Steel Quartz Sport Watch with Resin Strap, Black, 26
Casio Men's Stainless Steel Quartz Sport Watch with Resin Strap, Black, 26
(58775)
$89.95
$67.99
Casio Men's Stainless Steel Quartz Sport Watch with Resin Strap, Black - Model MDV-106B-1A3VCF
Casio Men's Stainless Steel Quartz Sport Watch with Resin Strap, Black - Model MDV-106B-1A3VCF
(58764)
$89.95
$64.48
Best price $99.99
See offers

Our service may include affiliate links. If you buy through links on our site, we may earn a commission at no extra cost to you.

Payments for subscriptions are processed by Paddle as Merchant of Record.

© . All rights reserved.