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Casio

Casio G-Shock GA-400-1B | Large Rotary Switch | Shock & Magnetic Resistant | 200M Water Resistant

  • Based on 1,221 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Thursday, Mar 5
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Description

From super-tough G-SHOCK comes a collection of GA-400 with a large rotary switch for intuitive operation. This G-SHOCK is accented in silver to create a HIP-HOP artist or B-BOY fashion motif

Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 3.86 x 4.41 x 3.94 inches; 2.5 ounces


Item model number ‏ : ‎ GA-400-1B


Department ‏ : ‎ mens


Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)


Date First Available ‏ : ‎ October 29, 2014


Manufacturer ‏ : ‎ Casio


Product Warranty: For warranty information about this product, please click here


Best Sellers Rank: #270,710 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #922 in Men's Wrist Watches


Display: Analog-Digital


Watch Movement Type: Quartz


Power Source: Battery Powered


Closure Type: Buckle


Strap Type: Two Piece Strap


Water Resistance Depth: 200 Meters


Sport Type: Walking


Clasp Type: Toggle Clasp


Water Resistance Level: Water Resistant


Embellishment Feature: Crystal


Style Name: Analog-Digital


Shape: Round


Band Color: Multicolor


Dial Color: Black


Character: Fashion


Face Style: Black, Analog


Brand Name: Casio


Age Range Description: Adult


Model Name: GA-400-1B


Model Number: GA-400-1B


Series Number: 400


Global Trade Identification Number: 61


Manufacturer: Casio


UPC: 079767084752


Item Type Name: Sport Watch


Included Components: Resin Band, Watch Face


Item Weight: 2.5 Ounces


Band Material Type: Resin


Case Material Type: Resin


Crystal: Mineral Glass


Case Diameter: 55 Millimeters


Band Width: 22 Millimeters


Case Thickness: 18 Millimeters


Bands: 1


Warranty Type: Limited


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Mar 5

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
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Works and looks great!!!!
This is the best watch I've ever had it is so nice and beautiful in the price was right too I got a really good deal on it.
Reviewed in the United States on March 8, 2025 by John Angileri
    • Indestructible el compañero ideal para el taller
Review Image by Jhonathan Moriones Jhonathan Moriones
Compré este modelo por su resistencia a impactos y al agua ha superado mis expectativas el interruptor giratorio, es muy intuitivo y fácil de usar. Incluso con las manos ocupadas es robusto y aguanta perfecto, el ritmo del taller 100% recomendado.
Reviewed in the United States on February 25, 2026 by Jhonathan Moriones Jhonathan Moriones
    • New watch
Review Image by Excellent shipping speed. Can't wait to reexamine this classic textual masterpiece Excellent shipping speed. Can't wait to reexamine this classic textual masterpiece
Prompt shipping Looks Good.
Reviewed in the United States on December 19, 2025 by Excellent shipping speed. Can't wait to reexamine this classic textual masterpiece Excellent shipping speed. Can't wait to reexamine this classic textual masterpiece
    • I’m fine with it
Good Watch
Reviewed in the United States on November 17, 2025 by Eric Whippy
    • Excelente calidad y muy bonito el reloj
Review Image by maikel castillo maikel castillo
Gracias muy bonito y totalmente en buen estado mi reloj , gracias por su rápido y eficaz envío
Reviewed in the United States on November 21, 2025 by maikel castillo maikel castillo
    • Very nice watch.
Review Image by Josh Kaller Josh Kaller
Review Image by Josh Kaller Josh Kaller
This is my fifth G shock. The functionality of this watch it s no different than most other models. However the crown on the right side allows you to move to the count down timer much quicker than having to scroll through the mode button. I like the display. It's stands out more that on other G shock models. The backlight is still in need of improving. The Band I changed myself. A Red Model GA700 band fits this watch like a glove, in case anyone was wondering. Great watch. Worth every penny. ... show more
Reviewed in the United States on May 14, 2019 by Josh Kaller Josh Kaller
    • Excelente 👌 servicio
Es un reloj poderoso y duradero
Reviewed in the United States on September 22, 2025 by IBRAHIN JIMENEZ
    • Non functional watch, poor support, Don’t buy
The new watch is non responsive even after spending 4 hours. Normally all new clock is calibrated to 10:10 AM, this watch came with 11:20AM on it that is a indication that it’s a product returned by a previous customer. Connected to chat room to troubleshoot after spending 4 hours to make it work. In a matter of 2 minutes all 9 associate joined left. All of them were non responsive. The watch was a gift to my cousin and it completely ruined his excitement. Ended the chart and escalating to the Amazon service and hoping to get full refund. Also they will deduct $20 from the total refund as the item was returned after the refund duration is over, even though it’s a defective piece and doesn’t meet the customer expectations. So please start shopping from other places. ... show more
Reviewed in the United States on October 31, 2024 by Suchismita Swain

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