Studio image made for Lugfolio so the model is recognizable. It is not a seller’s photograph or a brand catalog shot, and it is not always this exact reference. Confirm the dial on the seller’s page.

Casio · Japan · Sports

GM-B2100 CasiOak

GM-B2100D-1A

Full-metal Bluetooth CasiOak.

Case: 44.4 mm
Material: steel
Introduced: 2022
Collection: G-Shock

The index

Asking prices

Monthly index through September 2026, scaled to the current median ask.

-2.6%-9.5%

Low ask: USD 320
Median ask: USD 380
High ask: USD 420
Asks in snapshot: 8

This snapshot

Individual asks

The snapshot is compiled in US dollars. The header switches the display to euro or Hong Kong dollars at a fixed rate. Confirm currency, tax, and shipping on the marketplace. Lugfolio does not sell the watch.

Watchfinder
USD 320
USD
Good · 2023 · United Kingdom · Dealer · Box and papers
View on Watchfinder
Opens live listings for this reference
Chronext
USD 330
USD
Good · 2023 · Germany · Dealer · Watch only
View on Chronext
Opens live listings for this reference
Carousell Singapore
USD 340
USD
Very good · 2025 · Singapore · Private · Box and papers
View on Carousell Singapore
Opens live listings for this reference
Chrono24
USD 360
USD
Very good · 2024 · Singapore · Dealer · Watch only
View on Chrono24
Opens this reference’s page
Carousell Hong Kong
USD 380
USD
Excellent · 2022 · Hong Kong · Private · Box and papers
View on Carousell Hong Kong
Opens live listings for this reference
The 1916 Company
USD 380
USD
Excellent · 2025 · United States · Dealer · Box and papers
View on The 1916 Company
Opens live listings for this reference
eBay
USD 410
USD
Unworn · 2023 · Hong Kong · Private · Box and papers
View on eBay
Opens live listings for this reference
Bezel
USD 420
USD
Unworn · 2023 · United States · Dealer · Box, no papers
View on Bezel
Opens live listings for this reference