---
product_id: 686053467
title: "GMAS2100-1A"
brand: "g-shock"
price: "€ 186.54"
currency: EUR
in_stock: true
category: "G Shock"
url: https://www.desertcart.be/products/686053467-gmas2100-1a
store_origin: BE
region: Belgium
---

# 200m water resistance carbon core guard, ultra-light & durable 1/100-sec stopwatch precision GMAS2100-1A

**Brand:** g-shock
**Price:** € 186.54
**Availability:** ✅ In Stock

## Summary

> 🖤 Timeless toughness meets minimalist chic — own the moment, effortlessly.

## Quick Answers

- **What is this?** GMAS2100-1A by g-shock
- **How much does it cost?** € 186.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/686053467-gmas2100-1a)

## Best For

- g-shock enthusiasts

## Why This Product

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

## Key Features

- • **Global Ready:** World time across 31 zones keeps you synced wherever business or leisure takes you.
- • **All-Day Visibility:** Dual Super Illuminator LED lights with adjustable afterglow for anytime clarity.
- • **Unmatched Durability:** Shock resistant with carbon/resin case for everyday hustle-proof wear.
- • **Effortless Functionality:** Stopwatch, countdown timer, 5 alarms & full auto-calendar to 2099—stay ahead always.
- • **Slim & Compact Powerhouse:** Downsized GA-2100 design fits sleekly on any wrist without bulk.

## Overview

The Casio G-Shock GMAS2100-1A is a sleek, downsized evolution of the iconic GA-2100, featuring a lightweight carbon core guard structure and shock-resistant design. With 200-meter water resistance, dual LED Super Illuminator lights, and a versatile analog-digital display, it offers precision timekeeping with stopwatch, countdown timer, and world time across 31 zones. Its monochromatic black resin strap with rose gold accents delivers a modern, professional look perfect for the active millennial manager.

## Description

From Casio G-Shock, this new GMAS2100 watch is a downsized version of the GA-2100 model. It is slim, lightweight, and compact in design and boasts a chic, monochromatic look. The octagonal bezel, flat face, simple bar hour markers, and carbon core guard structure that are distinctive features of the GA-2100 are now available in a compact configuration. The black resin strap and matching dial with rose gold-tone accents adds a feminine pop of color to this new style.Shock Resistant200-meter water resistanceCarbon Core Guard structureCase/bezel material: Carbon/ResinBlack Resin BandMineral Glass Neobrite Double LED light LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)World time - 31 time zones1/100-second stopwatchCountdown timer5 daily alarmsHourly time signalHand shift featureFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeepingSize of case : 46.2?42.9?11.2mmCasio Style #: GMAS2100-1A

## Features

- From Casio G-Shock, this new GMAS2100 watch is a downsized version of the GA-2100 model
- It is slim, lightweight, and compact in design and boasts a chic, monochromatic look

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08ZDPZZFP |
| ASIN  | B08ZDPZZFP |
| Additional Features | Shock Resistant, Timer, World Time, light, stop-watch |
| Age Range Description | Adult |
| Band Color | Black |
| Band Material Type | Resin |
| Band Width | 24 |
| Bands | 1 |
| Batteries  | 1 LR44 batteries required. |
| Best Sellers Rank | #285,735 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #725 in Women's Wrist Watches |
| Brand Name | G-Shock |
| Case Diameter | 42 Millimeters |
| Case Material Type | Carbon/Resin |
| Case Thickness | 11 Millimeters |
| Character | fashion |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | mineral |
| Customer Reviews | 4.3 4.3 out of 5 stars (258) |
| Date First Available  | March 18, 2021 |
| Department  | Watches |
| Dial Color | Black |
| Display | Analog-Digital |
| Embellishment Feature | Crystal |
| Face Style | Crosshair (possible other styles: Teaked, Linen) |
| Included Components | Band |
| Is Discontinued By Manufacturer  | No |
| Item Type Name | Sport Watch |
| Item model number  | GMAS2100-1A |
| Manufacturer | G-Shock |
| Manufacturer  | G-Shock |
| Manufacturer Part Number | GMAS2100-1A |
| Model Name | Casio G Shock |
| Model Number | GMAS2100-1A |
| Pattern | Solid |
| Power Source | Battery Powered |
| Product Dimensions  | 8 x 5 x 5 inches; 4.97 ounces |
| Series Number | 2100 |
| Shape | Octagonal |
| Sport Type | Multi-Sport |
| Strap Type | Two Piece Strap |
| Style Name | Watches |
| Theme | Sports |
| UPC | 889232300252 |
| Unit Count | 1 Count |
| Warranty Type | Manufacturer |
| Watch Movement Type | Japanese Quartz |
| Water Resistance Depth | 30 Meters |
| Water Resistance Level | Water Resistant |

## Images

![GMAS2100-1A - Image 1](https://m.media-amazon.com/images/I/81t1YBvN-sL.jpg)

## Frequently Bought Together

- G-Shock GMAS2100-1A
- G-Shock GA-2100 Series Watch

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-07-16*