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Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A
Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A
Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A
Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A
Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A
Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A
Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A

Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A

Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A

$245.27

(1,649 reviews)

The Casio GM-2100-1A G-Shock Metal Covered wristwatch combines a stainless steel case with a durable black plastic strap, offering a resilient men's watch. It features an analog-digital display with a gray dial, luminous hands and indices for better visibility in low light conditions, as well as a mineral glass for scratch resistance. Key functions include world time, a 1/100-second stopwatch, countdown timer, fully automatic calendar with day and date display, hourly time signal, and dual LED lighting. With a water resistance of 200 meters, it is suitable for swimming and snorkeling. The case measures approximately 44 mm in diameter and 12 mm in thickness, with a band width of 16 mm, and features a screw-down case back and a pin buckle for secure comfort. This model emphasizes reliability and practicality under demanding conditions.

The Casio GM-2100-1A G-Shock Metal Covered wristwatch combines a stainless steel case with a durable black plastic strap, offering a resilient men's watch. It features an analog-digital display with a gray dial, luminous hands and indices for better visibility in low light conditions, as well as a mineral glass for scratch resistance. Key functions include world time, a 1/100-second stopwatch, countdown timer, fully automatic calendar with day and date display, hourly time signal, and dual LED lighting. With a water resistance of 200 meters, it is suitable for swimming and snorkeling. The case measures approximately 44 mm in diameter and 12 mm in thickness, with a band width of 16 mm, and features a screw-down case back and a pin buckle for secure comfort. This model emphasizes reliability and practicality under demanding conditions.

(1,649 reviews)

The Casio GM-2100-1A G-Shock Metal Covered wristwatch combines a stainless steel case with a durable black plastic strap, offering a resilient men's watch. It features an analog-digital display with a gray dial, luminous hands and indices for better visibility in low light conditions, as well as a mineral glass for scratch resistance. Key functions include world time, a 1/100-second stopwatch, countdown timer, fully automatic calendar with day and date display, hourly time signal, and dual LED lighting. With a water resistance of 200 meters, it is suitable for swimming and snorkeling. The case measures approximately 44 mm in diameter and 12 mm in thickness, with a band width of 16 mm, and features a screw-down case back and a pin buckle for secure comfort. This model emphasizes reliability and practicality under demanding conditions.

The Casio GM-2100-1A G-Shock Metal Covered wristwatch combines a stainless steel case with a durable black plastic strap, offering a resilient men's watch. It features an analog-digital display with a gray dial, luminous hands and indices for better visibility in low light conditions, as well as a mineral glass for scratch resistance. Key functions include world time, a 1/100-second stopwatch, countdown timer, fully automatic calendar with day and date display, hourly time signal, and dual LED lighting. With a water resistance of 200 meters, it is suitable for swimming and snorkeling. The case measures approximately 44 mm in diameter and 12 mm in thickness, with a band width of 16 mm, and features a screw-down case back and a pin buckle for secure comfort. This model emphasizes reliability and practicality under demanding conditions.

$245.27 - $539.00

in 48 offers

The lowest price for Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A right now is $245.27 at Kogan.com, compared across 22 retailers.

The all-time low was $114.33 on 27 Feb 2026 — today's price is 115% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 6 Oct 2026.

Price comparison

Price data powered by pricesAPI.io

Last updated at 06/10/2026 05:08:37

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=amazon.com.au&sz=64Amazon.com.au

$390.69

Casio G-SHOCK GM2100-1A Mens Silver Analog/Digital Watch with Black Band

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=kogan.com&sz=64Kogan.com

$245.27

Casio G-Shock Metal Covered Analog Digital Resin Strap Quartz GM-2100-1A GM2100-1 200M Men's Watch

14-day returns

https://www.google.com/s2/favicons?domain=dicksmith.com.au&sz=64Dick Smith AU

$245.27

Casio GShock Resin & Stainless Steel Water Resistance Watch GM21001A - Black

Free delivery

https://www.google.com/s2/favicons?domain=chrono24.com.au&sz=64Chrono24.com.au

$246.00

Casio G-Shock GM-2100-1AER Steel Silver 45x44.4mm 2026

Free delivery

https://www.google.com/s2/favicons?domain=wafuu.com&sz=64WAFUU

$264.00

Casio Reloj G-Shock GM-2100-1AJF Hombre Octagonal Negro Resistente al Agua

https://www.google.com/s2/favicons?domain=creationwatches.com&sz=64CreationWatches.com

$277.46

Casio G-Shock Metal Covered Analog Digital Resin Strap Quartz GM-2100-1A GM2100-1 200M Men's Watch

Free delivery

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64eBay.com.au

$278.00

Casio G-shock Resin Strap Grey Dial Quartz Sports 200m Gm-2100-1a

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=au.firstclasswatches.com&sz=64First Class Watches

$285.00

Casio G-Shock Stainless Steel Case Resin Strap GM-2100 Watch

Free delivery

https://www.google.com/s2/favicons?domain=bigw.com.au&sz=64BIG W

$290.03

Casio G-SHOCK Metal Covered Alarm Stopwatch Quartz GM-2100-1A 200M Mens Watch

Free delivery

https://www.google.com/s2/favicons?domain=woolworths.com.au&sz=64Woolworths

$290.03

Casio G-SHOCK Metal Covered Alarm Stopwatch Quartz GM-2100-1A 200M Mens Watch

Delivery between 9–17 Oct $10

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

BrandCasio
StyleBracelet
DisplayAnalogue-digital
ChronographYes
Water ResistantYes

Price comparison

Updated about 23 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=amazon.com.au&sz=64
Amazon.com.au

$390.69

Casio G-SHOCK GM2100-1A Mens Silver Analog/Digital Watch with Black Band

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=kogan.com&sz=64
Kogan.com

$245.27

Casio G-Shock Metal Covered Analog Digital Resin Strap Quartz GM-2100-1A GM2100-1 200M Men's Watch

14-day returns

https://www.google.com/s2/favicons?domain=dicksmith.com.au&sz=64
Dick Smith AU

$245.27

Casio GShock Resin & Stainless Steel Water Resistance Watch GM21001A - Black

Free delivery

https://www.google.com/s2/favicons?domain=chrono24.com.au&sz=64
Chrono24.com.au

$246.00

Casio G-Shock GM-2100-1AER Steel Silver 45x44.4mm 2026

Free delivery

https://www.google.com/s2/favicons?domain=wafuu.com&sz=64
WAFUU

$264.00

Casio Reloj G-Shock GM-2100-1AJF Hombre Octagonal Negro Resistente al Agua

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

BrandCasio
StyleBracelet
DisplayAnalogue-digital
ChronographYes
Water ResistantYes

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