---
product_id: 158899225
title: "G-Shock Carbon Core Guard Analogue-Digital Quartz Watch with Silicone Strap, Shock Protection, Neobrite Luminous Hands, Waterproof 200 Metres, Black, GA-2100-1AER"
brand: "casio"
price: "$218.57"
currency: USD
in_stock: true
category: "Casio"
url: https://www.desertcart.us/products/158899225-g-shock-carbon-core-guard-analogue-digital-quartz-watch-silicone
store_origin: US
region: United States of America
---

# Lightweight 51g carbon-reinforced resin 200m Waterproof for diving Shock-resistant Hollow Core Guard G-Shock Carbon Core Guard Analogue-Digital Quartz Watch with Silicone Strap, Shock Protection, Neobrite Luminous Hands, Waterproof 200 Metres, Black, GA-2100-1AER

**Brand:** casio
**Price:** $218.57
**Availability:** ✅ In Stock

## Summary

> ⌚ Elevate your wrist game with the G-Shock GA-2100 — toughness meets sleek tech

## Quick Answers

- **What is this?** G-Shock Carbon Core Guard Analogue-Digital Quartz Watch with Silicone Strap, Shock Protection, Neobrite Luminous Hands, Waterproof 200 Metres, Black, GA-2100-1AER by casio
- **How much does it cost?** $218.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/158899225-g-shock-carbon-core-guard-analogue-digital-quartz-watch-silicone)

## 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

- • **Unbreakable Armor:** Carbon Core Guard casing shields against shocks and impacts
- • **Featherweight Power:** At just 51 grams, it’s barely there but built to last
- • **Dive-Ready Durability:** Waterproof up to 200 metres—your perfect underwater companion
- • **Global Time, Local Style:** Perpetual calendar, world time, stopwatch, and alarm for the multitasking pro
- • **Always On, Always Visible:** Neobrite luminous hands and dual illuminator keep time readable day or night

## Overview

The Casio G-Shock GA-2100-1AER is a cutting-edge analogue-digital quartz watch featuring a carbon-reinforced resin case with shock protection, a mineral dial window with Neobrite luminous hands, and a lightweight 51-gram design. It offers dual illumination, a 200-metre waterproof rating suitable for diving, and multifunctional tools including stopwatch, countdown timer, perpetual calendar, alarm, and world time. Designed for durability and style, it’s the ultimate timepiece for active professionals who demand resilience and readability in any environment.

## Description

Casio presents the G-Shock GA-2100-1AER, a men's analogue-digital quartz watch from the Carbon Core Octagon Series. This timepiece features carbon-reinforced resin casing for structural strength plus a black colour scheme throughout. The watch includes a mineral dial window with Neobrite luminous coating on the hands for visibility in dark conditions. Designed for adult males, this G-Shock model combines traditional analogue display with digital functionality. The silicone strap is secured with a buckle clasp, plus the watch weighs 51 grams for lightweight wear. The lithium battery powers the quartz movement for accurate timekeeping.The watch features dual illuminator technology with separate illumination for analogue or digital components, ensuring readability in low light conditions. The LED light offers selectable illumination duration of either 1.5 seconds or 3 seconds, with afterglow feature for extended visibility. Functional features include stopwatch for timing activities, countdown timer for intervals, perpetual calendar for automatic date adjustment, alarm for reminders, plus world time for tracking multiple time zones. Waterproof to 200 metres depth, this watch is suitable for diving or water activities. The mineral dial window provides clarity plus protection for the watch face.The GA-2100-1AER incorporates shock protection construction with Hollow Core Guard Structure, designed to defend the watch mechanism against impact or vibration. This technology enhances durability during active use or physical activities. The carbon-reinforced resin casing provides structural integrity whilst maintaining the lightweight 51-gram total weight. Model number GA-2100-1ADR, series number 2100, part of the G-Shock collection. Easy reader design with clear analogue plus digital displays for convenient time reading. The watch arrives ready to wear with battery installed.

## Features

- Materials: Carbon-reinforced resin casing with mineral dial window, silicone strap with buckle clasp, lithium battery type, lightweight construction at 51 grams
- Design Features: Octagon series case shape with analogue-digital display, Neobrite luminous coating on watch hands for visibility in darkness, black colour scheme
- Functionality: Dual illuminator with separate analogue or digital illumination, LED light with selectable duration of 1.5 or 3 seconds plus afterglow feature
- Specifications: Stopwatch, countdown timer, perpetual calendar, alarm, world time functions, 200 metres waterproof depth suitable for diving or water activities
- Care Instructions: Shock protection with Hollow Core Guard Structure for impact or vibration defence, model number GA-2100-1ADR, G-Shock collection series 2100

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07WDD3YW9 |
| ASIN  | B07WDD3YW9 |
| Age Range Description | Adult |
| Band Colour | Black |
| Band Length | 25 Centimetres |
| Band Material Type | Resin |
| Band Width | 25 Millimetres |
| Bands | 1 |
| Batteries  | 1 Lithium Metal batteries required. (included) |
| Best Sellers Rank | 27,895 in Fashion ( See Top 100 in Fashion ) 141 in Men's Wrist Watches |
| Brand Name | Casio |
| Case Diameter | 48.5 Millimetres |
| Case Material Type | Resin |
| Case Thickness | 14 Millimetres |
| Character | Fashion |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | Mineral |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,207) |
| Customer reviews | 4.5 4.5 out of 5 stars (2,207) |
| Date First Available  | 20 Aug. 2019 |
| Department  | Men |
| Dial Color | black |
| Display | Analog-Digital |
| Face Style | Skeleton |
| Global Trade Identification Number | 04549526241703 |
| Included Components | Belt, Handle |
| Is discontinued by manufacturer  | No |
| Item Shape | Round |
| Item Type Name | Watch |
| Item Weight | 51 Grams |
| Item model number  | GA-2100-1ADR |
| Language  | English |
| Manufacturer | Casio |
| Manufacturer  | Casio |
| Manufacturer Part Number | GA-2100-1ADR |
| Model Name | G-Shock |
| Model Number | GA-2100-1ADR |
| Pattern | Solid |
| Power Source | Battery Powered |
| Product Dimensions  | 10 x 10 x 5 cm; 51 g |
| Series Number | 2100 |
| Special Features | Water Resistant, Glow In The Dark, Easy Reader, Shock Resistant, Stopwatch, Perpetual Calendar, Lightweight, Light Up, Countdown, Alarm, Worldtime, Stop Watch |
| Sport Type | Diving |
| Strap Type | Silicone |
| Style Name | GA-2100-1AER-AMZUK |
| Theme | Fashion |
| Unit Count | 1 Count |
| Warranty Type | Manufacturer |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 200 Metres |
| Water Resistance Level | Waterproof |

## Images

![G-Shock Carbon Core Guard Analogue-Digital Quartz Watch with Silicone Strap, Shock Protection, Neobrite Luminous Hands, Waterproof 200 Metres, Black, GA-2100-1AER - Image 1](https://m.media-amazon.com/images/I/51Y5z47uGKL.jpg)

## Questions & Answers

**Q: What is delivery time on this item**
A: Few days

**Q: What version of this watch is this for?**
A: It's for the GA-2100-1AER.

**Q: What's the strap length on these please?**
A: Mine is 10 inches/27 cms stretched, tip to tip.

**Q: can you swim with it?**
A: Yes you can swim with it .I leave it on when I shower and when I swim in the sea
All good so far.

## Frequently Bought Together

- Casio GA-2100-1AER G-Shock Carbon Core Octagon Series Watch -Black
- CasiOak GA2100 Metal Watch Band and Case Mod Kit, Strap Bezel Accessories Compatible with Casio Mens G-Shock GA2100/GA-2110 Watches

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-20*