---
product_id: 415007663
title: "Casio G-Shock Men's Analog-Digital Quartz Watch with Resin Case, Carbon Core, Stop Watch, World Time, Alarm, Day-Date Calendar, Water 20 Bar, Black, 45 mm"
brand: "casio"
price: "S$190"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/415007663-casio-g-shock-mens-analog-digital-quartz-watch-with-resin
store_origin: SG
region: Singapore
---

# World time for global tracking Water resistant up to 200m Stopwatch & countdown timer Casio G-Shock Men's Analog-Digital Quartz Watch with Resin Case, Carbon Core, Stop Watch, World Time, Alarm, Day-Date Calendar, Water 20 Bar, Black, 45 mm

**Brand:** casio
**Price:** S$190
**Availability:** ✅ In Stock

## Summary

> 🖤 Timeless toughness meets modern precision — own the moment with G-Shock

## Quick Answers

- **What is this?** Casio G-Shock Men's Analog-Digital Quartz Watch with Resin Case, Carbon Core, Stop Watch, World Time, Alarm, Day-Date Calendar, Water 20 Bar, Black, 45 mm by casio
- **How much does it cost?** S$190 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/415007663-casio-g-shock-mens-analog-digital-quartz-watch-with-resin)

## 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, swim, or surf worry-free with professional-grade water protection
- • **Multi-Function Mastery:** Alarm, stopwatch, countdown, and world time keep you on schedule across time zones
- • **Sleek Black Resin Design:** Bold, versatile aesthetic that complements any professional or sporty look
- • **Carbon Core Guard Structure:** Ultra-lightweight yet shock-resistant for all-day comfort and durability
- • **Dual Analog-Digital Display:** Seamlessly combines classic style with modern functionality at a glance

## Overview

The Casio G-Shock GA-2100-1A4ER is a 45mm analog-digital quartz watch featuring a carbon core resin case for lightweight durability. It offers stopwatch, countdown timer, alarm, and world time functions, all protected by 200 meters of water resistance. With a sleek black resin strap and mineral glass crystal, this watch blends rugged performance with sophisticated style, backed by a 2-year international warranty.

## Description

Product Description Casio G-Shock presents this men's analog-digital quartz watch from the renowned G-Shock collection, model GA-2100-1A4ER. This timepiece features a resin case with carbon core construction, measuring 45 mm in diameter 11 mm in thickness. The black dial incorporates both analog digital displays, providing timekeeping functionality. The watch weighs 52 g includes a lithium battery for reliable operation.The watch is equipped with multiple functions including a stop watch, countdown timer, world time capability for tracking multiple time zones, alarm function, illumination light. The day-date calendar type displays current day date information. The black plastic strap measures 21 cm in length 23 mm in width, secured with a buckle clasp. The resin case material combined with carbon reinforcement provides structural integrity whilst maintaining a lightweight profile.Water protection is rated at 20 bar, equivalent to 200 metres depth, making this watch suitable for swimming water sports activities. The watch arrives in Casio packaging suitable for gifting includes 2-year manufacturer coverage. The quartz movement ensures accurate timekeeping with minimal maintenance requirements. Directions ADULTS

## Features

- Black
- Size one size fits all
- 2-Year International Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09T6QZCS3 |
| ASIN  | B09T6QZCS3 |
| 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 | 45,085 in Fashion ( See Top 100 in Fashion ) 248 in Men's Wrist Watches |
| Bezel Color | Black |
| Brand Name | Casio |
| Case Diameter | 45 Millimetres |
| Case Material Type | Resin |
| Case Thickness | 11 Millimetres |
| Character | No aplica |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | Mineral Glass |
| Customer Reviews | 4.4 4.4 out of 5 stars (868) |
| Customer reviews | 4.4 4.4 out of 5 stars (868) |
| Date First Available  | 23 Feb. 2022 |
| Department  | Men's |
| Dial Color | Black |
| Display | Analog |
| Embellishment Feature | Crystal |
| Face Style | Digital Black |
| Included Components | Watch Case |
| Is discontinued by manufacturer  | No |
| Item Shape | Round |
| Item Type Name | Watch |
| Item Weight | 51 Grams |
| Item model number  | GA-2100-1A4ER |
| Manufacturer | CASIO |
| Manufacturer  | CASIO |
| Manufacturer Part Number | GA-2100-1A4ER |
| Model Name | GA-2100-1A4ER |
| Model Number | GA-2100-1A4ER |
| Model Series | G-Shock |
| Number of Items | 1 |
| Pattern | Solid |
| Power Source | Battery Powered |
| Product Dimensions  | 40 x 47 x 23 cm; 51 g |
| Series Number | 2100 |
| Special Features | Alarm, Countdown, Light, Stop Watch, World Time |
| Sport Type | Swimming |
| Strap Type | Plastic |
| Style Name | Modern and sporty |
| Theme | Sports |
| Unit Count | 1 Count |
| Warranty Type | Manufacturer |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 200 Metres |
| Water Resistance Level | Waterproof |

## Images

![Casio G-Shock Men's Analog-Digital Quartz Watch with Resin Case, Carbon Core, Stop Watch, World Time, Alarm, Day-Date Calendar, Water 20 Bar, Black, 45 mm - Image 1](https://m.media-amazon.com/images/I/41VGH7vFP+L.jpg)
![Casio G-Shock Men's Analog-Digital Quartz Watch with Resin Case, Carbon Core, Stop Watch, World Time, Alarm, Day-Date Calendar, Water 20 Bar, Black, 45 mm - Image 2](https://m.media-amazon.com/images/I/41eVJ6c95HL.jpg)
![Casio G-Shock Men's Analog-Digital Quartz Watch with Resin Case, Carbon Core, Stop Watch, World Time, Alarm, Day-Date Calendar, Water 20 Bar, Black, 45 mm - Image 3](https://m.media-amazon.com/images/I/41C1+RvSW0L.jpg)
![Casio G-Shock Men's Analog-Digital Quartz Watch with Resin Case, Carbon Core, Stop Watch, World Time, Alarm, Day-Date Calendar, Water 20 Bar, Black, 45 mm - Image 4](https://m.media-amazon.com/images/I/313yJV-MiGL.jpg)
![Casio G-Shock Men's Analog-Digital Quartz Watch with Resin Case, Carbon Core, Stop Watch, World Time, Alarm, Day-Date Calendar, Water 20 Bar, Black, 45 mm - Image 5](https://m.media-amazon.com/images/I/41Pvj5sy74L.jpg)

## Frequently Bought Together

- Casio Ga-2100-1a4er Watch One Size
- Casio Ga-2100-1a2er Watch
- Casio RELOJ Analog Digital G-Shock Trend GA-2100-1A3ER 49mm Black

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-14*