---
product_id: 641434308
title: "Casio GA-2100-9A9ER Mens G-Shock Watch"
brand: "casio"
price: "¥32617"
currency: JPY
in_stock: true
reviews_count: 6
category: "Casio"
url: https://www.desertcart.jp/products/641434308-casio-ga-2100-9a9er-mens-g-shock-watch
store_origin: JP
region: Japan
---

# 200m water resistance Shock resistant durability Quartz precision movement Casio GA-2100-9A9ER Mens G-Shock Watch

**Brand:** casio
**Price:** ¥32617
**Availability:** ✅ In Stock

## Summary

> 💥 Make every second count with the fearless G-Shock GA-2100-9A9ER!

## Quick Answers

- **What is this?** Casio GA-2100-9A9ER Mens G-Shock Watch by casio
- **How much does it cost?** ¥32617 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/641434308-casio-ga-2100-9a9er-mens-g-shock-watch)

## Best For

- casio enthusiasts

## Why This Product

- Trusted casio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **200m Water Resistance:** Dive into adventure without missing a beat
- • **Mineral Glass Crystal:** Scratch-resistant clarity for everyday hustle
- • **Ultra-Light 70g Design:** Comfort that keeps pace with your busy lifestyle
- • **Bold Yellow Bio-Resin Band:** Eco-conscious style meets standout vibrance
- • **Iconic G-Shock Shock Resistance:** Built tough to handle every challenge

## Overview

The Casio GA-2100-9A9ER is a shock-resistant, water-resistant (200m) analog watch featuring a bold yellow bio-based resin band and durable mineral glass crystal. Powered by precise quartz movement, its lightweight 70g design and rugged build make it the perfect fusion of fashion and function for the modern professional.

## Description

Casio is a hugely popular range, and when you look at the Mens G-Shock Watch GA-2100-9A9ER in more detail it becomes very clear why. Attention to detail and high quality materials are used throughout making the Mens G-Shock WatchGA-2100-9A9ER a watch you can show off with glee.

Review: Trendy - Best trendiest watch ever
Review: Love these watches - Great time keeping and love the colours.

## Features

- Brand: Casio
- Display Type: Analog
- Watch movement type: Quartz
- Style: GA-2100-9A9ER-AMZUK

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CW3MBK2N |
| Additional Features | Shock Resistant |
| Age Range Description | Adult |
| Band Color | Yellow |
| Band Material Type | Bio-based resin |
| Band Width | 25 Millimeters |
| Bands | 1 |
| Best Sellers Rank | #84,821 in Fashion ( See Top 100 in Fashion ) #2,494 in Men's Wrist Watches |
| Brand Name | Casio |
| Case Diameter | 45.4 Millimeters |
| Case Material Type | Plastic |
| Case Thickness | 11.8 Millimeters |
| Character | Fashion |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | Mineral Glass |
| Customer Reviews | 4.3 out of 5 stars 39 Reviews |
| Dial Color | Yellow |
| Display | Analog |
| Embellishment Feature | Crystal |
| Face Style | Crosshair |
| Included Components | Band |
| Item Weight | 70 Grams |
| Manufacturer | Casio |
| Manufacturer Part Number | GA-2100-9A9ER |
| Model Name | GA-2100-9A9ER |
| Model Number | GA-2100-9A9 |
| Pattern | Solid |
| Power Source | Battery Powered |
| Series Number | 2100 |
| Shape | Round |
| Sport Type | Walking |
| Strap Type | Plastic Strap |
| Style Name | sport |
| Theme | Fashion |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 200 Meters |
| Water Resistance Level | Water Resistant |

## Images

![Casio GA-2100-9A9ER Mens G-Shock Watch - Image 1](https://m.media-amazon.com/images/I/41aIrzgybHL.jpg)
![Casio GA-2100-9A9ER Mens G-Shock Watch - Image 2](https://m.media-amazon.com/images/I/31lSkGtXxqL.jpg)
![Casio GA-2100-9A9ER Mens G-Shock Watch - Image 3](https://m.media-amazon.com/images/I/31Kr05nJiYL.jpg)
![Casio GA-2100-9A9ER Mens G-Shock Watch - Image 4](https://m.media-amazon.com/images/I/21XiP7y7pkL.jpg)
![Casio GA-2100-9A9ER Mens G-Shock Watch - Image 5](https://m.media-amazon.com/images/I/31PszMtKqYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Trendy
*by R***D on 23 December 2025*

Best trendiest watch ever

### ⭐⭐⭐⭐⭐ Love these watches
*by G***Y on 14 June 2024*

Great time keeping and love the colours.

### ⭐⭐⭐⭐⭐ Bello
*by C***N on 12 April 2024*

Non ancora indossato ma la prima impressione è stata più che soddisfacente. Bel colore, leggero ma a mio parere robusto e preciso. Devo ancora imparare a gestire bene tutte le funzioni. Venditore marketplace più che puntuale e con un rapporto qualità prezzo decisamente migliore rispetto al listino prezzi ufficiale

## Frequently Bought Together

- Casio GA-2100-9A9ER Mens G-Shock Watch
- Casio Men Analogue-Digital Quartz Watch with Plastic Strap GA-2100-4AER, Red, OS, Strap
- Casio Men Analogue-Digital Quarz Watch with Plastic Strap GA-2100-2A2ER

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**Shop now:** [https://www.desertcart.jp/products/641434308-casio-ga-2100-9a9er-mens-g-shock-watch](https://www.desertcart.jp/products/641434308-casio-ga-2100-9a9er-mens-g-shock-watch)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-14*