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- 15%
Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New
Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New
Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New
Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New
Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New
Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New
Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New
Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New

Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New

Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New

$478.57

(780 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.

(780 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.

$478.57 - $958.80

in 33 offers

The lowest price for Casio G-Shock Gm-B2100D-1Ajf Full Metal Silver Bluetooth Solar Watch Men's New right now is $478.57 at eBay.com.au, compared across 3 retailers.

The all-time low was $478.57 on 28 June 2026. That's the lowest price we've ever tracked — a great time to buy.

Prices last updated 28 June 2026.

Price comparison

Price data powered by pricesAPI.io

Last updated at 28/06/2026 06:14:13

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

$478.57

Casio G-shock Gm-b2100d-1ajf Full Metal Bluetooth Solar Watch Men 0010

Delivery $35.35

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!

eBay.com.au

$526.45

Casio G-shock Gm-b2100d-1ajf Full Metal Silver Bluetooth Solar Watch

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!

eBay.com.au

$532.95

Casio G-shock Gm-b2100d-1ajf Solar Full Metal Radio Men's Box

Delivery $31.35

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!

eBay.com.au

$541.65

Casio Gm-B2100D-1AJF g-Shock

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!

eBay.com.au

$542.42

Casio G-shock Gm-b2100d-1ajf Solar Full Metal Radio Men's Box

Delivery $31.91

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!

eBay.com.au

$622.19

Casio G-shock Full Metal Gm-b2100d-1ajf Solar Black Dial Men Warranty

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!

eBay.com.au

$626.93

Casio G-shock Gm-b2100d-1ajf Full-metal Model Tough Solar Men's Watch

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!

eBay.com.au

$626.93

Casio G-shock Gm-b2100d-1ajf Full-metal Model Tough Solar Men's Watch

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!

eBay.com.au

$640.56

Casio G-shock Gm-b2100d-1ajf Full Metal Solar Smartphone Link Watch

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!

eBay.com.au

$671.83

Casio G-shock Gm-b2100d-1ajf Solar Steel Watch Used

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!

Price history

Price history

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

Reviews

Great experience as always
5 August 2023msedanman

originally posted on ebay.com

I can always rely on TOKYO SHOPPING TIME I highly recommend them.

Great, but
5 December 2022abdullaalabbasi

originally posted on ebay.com

a great watch, however, i have no idea why casio always have issue with legibility

Specification

StyleCasual
MovementQuartz
Dial ColorBlack
Bezel ColorSlver
Band ColorSilver

Price comparison

Updated 1 day ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
eBay.com.au

$478.57

Casio G-shock Gm-b2100d-1ajf Full Metal Bluetooth Solar Watch Men 0010

Delivery $35.35

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!

eBay.com.au

$526.45

Casio G-shock Gm-b2100d-1ajf Full Metal Silver Bluetooth Solar Watch

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!

eBay.com.au

$532.95

Casio G-shock Gm-b2100d-1ajf Solar Full Metal Radio Men's Box

Delivery $31.35

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!

eBay.com.au

$541.65

Casio Gm-B2100D-1AJF g-Shock

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!

eBay.com.au

$542.42

Casio G-shock Gm-b2100d-1ajf Solar Full Metal Radio Men's Box

Delivery $31.91

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!

Price history

Price history

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

Reviews

Great experience as always
5 August 2023

I can always rely on TOKYO SHOPPING TIME I highly recommend them.

msedanman originally posted on ebay.com
Great, but
5 December 2022

a great watch, however, i have no idea why casio always have issue with legibility

abdullaalabbasi originally posted on ebay.com

Specification

StyleCasual
MovementQuartz
Dial ColorBlack
Bezel ColorSlver
Band ColorSilver

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