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G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM-2100N-2AER Watch Blue

G-Shock GM-2100N-2AER Watch Blue

$249.82

(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.

G-Shock GM-2100N-2AER Watch Blue

(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.

$249.82 - $534.20

in 49 offers

The lowest price for G-Shock GM-2100N-2AER Watch Blue right now is $249.82 at Zimson Watches, compared across 31 retailers.

The all-time low was $141.00 on 8 May 2026 — today's price is 77% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 7 Sept 2026.

Price comparison

Price data powered by pricesAPI.io

Last updated at 07/09/2026 23:52:36

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

$249.82

Casio G-Shock Blue Dial Men 44.4mm G1162

Delivery $0.29

https://www.google.com/s2/favicons?domain=dokodemo.world&sz=64Dokodemo

$260.90

CASIO G-SHOCK GM-2100N-2AJF

Delivery between 12–18 Sept $37.46

https://www.google.com/s2/favicons?domain=animota.net&sz=64animota

$262.74

ANALOG-DIGITAL - 2100 Series - GM-2100N-2AJF

Delivery $24.13

https://www.google.com/s2/favicons?domain=myblacktree.com&sz=64BlackTree

$263.69

Casio G-Shock GM-2100 Series Silver And Black Analog-Digital GM-2100-1A

Delivery $41.16

https://www.google.com/s2/favicons?domain=monawatch.com&sz=64Monawatch

$264.74

Casio G Shock GM 2100 1A Stainless Steel Men’s Watch

Delivery $45.38

https://www.google.com/s2/favicons?domain=stockx.com&sz=64StockX

$267.00

Casio CasiOak GM-2100N-2A

Delivery $34.95

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

$269.00

Casio G-Shock CasiOak Digital & Analogue Watch GM-2100N-2A - Navy

Delivery between 10–18 Sept $10

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

$270.85

Casio G-Shock G-Steel Metal-Clad Blue Sport Watch GM-2100N-2A

Free delivery

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

$275.86

CASIO GM-2100N-2AJF Men's G-SHOCK 20 Bar Waterproof GM-21 | IPPO Japan

Delivery $48.99

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

$277.90

CASIO G-SHOCK Quartz GM-2100N-2AJF Men's Watch Metal Covered LED Light Blue NEW

Delivery $27.78

Price history

Price history

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

Specification

Diameter44.4 mm
Water Resistance20 Bar (Dive)
Timehours - Analogue hand
CalendarDate - Digital
Chronograph and timersStopwatch /Chronograph - 1/100 seconds 24 hours

Price comparison

Updated about 13 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=zimsonwatches.com&sz=64
Zimson Watches

$249.82

Casio G-Shock Blue Dial Men 44.4mm G1162

Delivery $0.29

https://www.google.com/s2/favicons?domain=dokodemo.world&sz=64
Dokodemo

$260.90

CASIO G-SHOCK GM-2100N-2AJF

Delivery between 12–18 Sept $37.46

https://www.google.com/s2/favicons?domain=animota.net&sz=64
animota

$262.74

ANALOG-DIGITAL - 2100 Series - GM-2100N-2AJF

Delivery $24.13

https://www.google.com/s2/favicons?domain=myblacktree.com&sz=64
BlackTree

$263.69

Casio G-Shock GM-2100 Series Silver And Black Analog-Digital GM-2100-1A

Delivery $41.16

https://www.google.com/s2/favicons?domain=monawatch.com&sz=64
Monawatch

$264.74

Casio G Shock GM 2100 1A Stainless Steel Men’s Watch

Delivery $45.38

Price history

Price history

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

Specification

Diameter44.4 mm
Water Resistance20 Bar (Dive)
Timehours - Analogue hand
CalendarDate - Digital
Chronograph and timersStopwatch /Chronograph - 1/100 seconds 24 hours

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