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.com
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
(61160)
$29.95
Casio Quartz Watch with Resin Strap, Pink, 20 (Model F-91WS-4CF)
Casio Quartz Watch with Resin Strap, Pink, 20 (Model F-91WS-4CF)
(58821)
$39.95
$30.88
Casio Quartz Watch with Resin Strap, Clear, 20 (Model F-91WS-7DF)
Casio Quartz Watch with Resin Strap, Clear, 20 (Model F-91WS-7DF)
(58810)
$39.95
$32.83
Casio F91W Series Classic Resin Strap Digital Sport Watch
Casio F91W Series Classic Resin Strap Digital Sport Watch
(58802)
$39.95
$35.5
Casio Men's 'Vintage' Quartz Metal and Resin Casual Watch
Casio Men's 'Vintage' Quartz Metal and Resin Casual Watch
(58759)
$29.95
$27.25
Casio Men's Vintage F91W-1 Resin Strap Digital Sport Watch
Casio Men's Vintage F91W-1 Resin Strap Digital Sport Watch
(58667)
$21.92
View all

Best Deals

Invicta Men's 0929 Anatomic Subaqua Watch
Invicta
Invicta Men's 0929 Anatomic Subaqua Watch
(10)
Plastic
$78.89
Shock Resistant Watch Green - Model ACW435-004 by Invicta
Invicta
Shock Resistant Watch Green - Model ACW435-004 by Invicta
(413)
Mens
$9.99
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
$40.95
Timex Women's TW2R36100 Metropolitan Skyline Gold-Tone Stainless Steel Mesh Bracelet Watch
Timex
Timex Women's TW2R36100 Metropolitan Skyline Gold-Tone Stainless Steel Mesh Bracelet Watch
(579)
Womens | Brass
$41.77
Invicta Pro Diver Men's Quartz Movement Stainless Steel Watch - 37229
Invicta
Invicta Pro Diver Men's Quartz Movement Stainless Steel Watch - 37229
(29)
$139.2 $74.99
INVICTA Pro Diver Men's 43mm Stainless Steel Gold Black Dial PC32 Quartz Watch
Invicta
INVICTA Pro Diver Men's 43mm Stainless Steel Gold Black Dial PC32 Quartz Watch
(7)
Stainless Steel | Mens
$54.9 $54.89
Timex x Peanuts Men's Standard 40mm Watch – Fall Silver-Tone Case Beige Dial with Tan Genuine Leather Strap
Timex
Timex x Peanuts Men's Standard 40mm Watch – Fall Silver-Tone Case Beige Dial with Tan Genuine Leather Strap
(171)
$139 $83.4
Invicta Pro Diver Men's 43mm Stainless Steel Watch - Model 47176
Invicta
Invicta Pro Diver Men's 43mm Stainless Steel Watch - Model 47176
(45)
Stainless Steel | Mens
$43.99
Timex Men's Essex 46mm Watch - Black Link Bracelet Black Dial Silver-Tone Case
Timex
Timex Men's Essex 46mm Watch - Black Link Bracelet Black Dial Silver-Tone Case
(8)
$50.95
Invicta Men's 22785 Speedway Analog Display Quartz Black Watch
Invicta
Invicta Men's 22785 Speedway Analog Display Quartz Black Watch
(869)
Stainless Steel | Mens
$102.5 $77.94
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 $49.92
Timex Tribute Men's Collegiate Citation 42mm Watch – Ohio State Buckeyes
Timex
Timex Tribute Men's Collegiate Citation 42mm Watch – Ohio State Buckeyes
(347)
Brass
$135 $69.26
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 $79.9
Tissot Unisex Everytime 34mm Quartz Watch
Tissot
Tissot Unisex Everytime 34mm Quartz Watch
(2)
Stainless Steel | Unisex
$315
Invicta Men's Speedway 42mm Stainless Steel Quartz Watch - Model 46844
Invicta
Invicta Men's Speedway 42mm Stainless Steel Quartz Watch - Model 46844
(132)
Mens
$52.5
Timex Unisex Weekender 37mm Watch - Green Strap White Dial Silver-Tone Case
Timex
Timex Unisex Weekender 37mm Watch - Green Strap White Dial Silver-Tone Case
(75)
$104.39
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 $42.5
Invicta Pro Diver Chronograph GMT Quartz Black Dial Men's Watch 46042 - Gold
Invicta
Invicta Pro Diver Chronograph GMT Quartz Black Dial Men's Watch 46042 - Gold
(3)
Mens
$106.03 $65.99
Timex Women's Modern Easy Reader 32mm Watch – Gold-Tone Case
Timex
Timex Women's Modern Easy Reader 32mm Watch – Gold-Tone Case
(2085)
$63 $44.99
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
$151.2
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
(61160)
$29.95
Casio Quartz Watch with Resin Strap, Pink, 20 (Model F-91WS-4CF)
Casio Quartz Watch with Resin Strap, Pink, 20 (Model F-91WS-4CF)
(58821)
$39.95
$30.88
Casio Quartz Watch with Resin Strap, Clear, 20 (Model F-91WS-7DF)
Casio Quartz Watch with Resin Strap, Clear, 20 (Model F-91WS-7DF)
(58810)
$39.95
$32.83
Casio F91W Series Classic Resin Strap Digital Sport Watch
Casio F91W Series Classic Resin Strap Digital Sport Watch
(58802)
$39.95
$35.5
Casio Men's 'Vintage' Quartz Metal and Resin Casual Watch
Casio Men's 'Vintage' Quartz Metal and Resin Casual Watch
(58759)
$29.95
$27.25
Casio Men's Vintage F91W-1 Resin Strap Digital Sport Watch
Casio Men's Vintage F91W-1 Resin Strap Digital Sport Watch
(58667)
$21.92
Best price $99.99
See offers

Watch Prices Online 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.

© Watch Prices Online. All rights reserved.