Casio · G Shock 2100
Casio G Shock 2100 GM-B2100D-1A
Updated sales through
Market price
$250
Median of 16 sales over 90 days
- 7 days—
- 30 days—
- 90 days—
GM-B2100D-1A price history
Smoothed 14-day median sold price · each dot is one day’s sales
- Lowest day
- $120
- Typical day
- $220
- Highest day
- $450
- Sales
- 16
Market data
| Market price (90-day median) | $250 |
|---|---|
| Usual range (middle half of sales) | $200 – $335 |
| Lowest and highest sale | $120 / $480 |
| Sales in the last 90 days | 16 |
| Sales per week | 1.3 |
| Price change (7 / 30 / 90 days) | — / — / — |
| Median asking price | $300 |
| Asking vs sold | +20.0% |
| Most traded Casio rank | #21 |
| Most recent sale | Oct 21, 2026 |
Where sales land
- Middle half $200–$335
- Median $250
- Last 7 days $260
- 1 in 10 sold under $135
Monthly prices
| Month | Sales | Median | Change |
|---|---|---|---|
| October 2026 | 9 | $225 | ▲13% up |
| September 2026 | 6 | $200 | ▼50% down |
| July 2026 | 1 | $400 | — |
For sale now
3 listings found, asking $270 to $539 · median $300
- Casio G-Shock FULL METAL Steel Tough Solar Mens Watch GMB2100D-1A 1:1 AuthenticNew with box and papers$300
- Casio G-Shock GMB2100D-1A Bluetooth Solar Powered Full Metal Silver WatchPre-owned - Good$270
- Casio G-Shock GM-B2100D-1A Special Box Silver Metallic Tough Solar 45mm NewNew with box and papers$539
Recent sales
The latest completed sales
- Oct 21NEW Casio G-Shock FULL METAL Steel Tough Solar Bluetooth Mens Watch GMB2100D-1A$450
- Oct 17Casio G-SHOCK GMB2100D-1A Full Metal BLACK CasiOak Watch$260
- Oct 16Men’s Silver Grey Casio G-Shock SS Watch GMB2100D-1A Solar Bluetooth 7 1/2-8”👍$250
- Oct 14Casio G-Shock Full Metal GMB2100D-1A Solar Steel Men's Watch$135
- Oct 13Casio G-SHOCK Men's Black Watch - GMB2100D-1A Same Day Shipping$250
Other G Shock 2100 references
All G Shock 2100
Similar money, other watches
Questions about the GM-B2100D-1A
How much is a Casio G Shock 2100 GM-B2100D-1A worth?
Recent sales put it at $250: that is the median of 16 sales over the past 90 days. Half of them sold between $200 and $335. Condition, box and papers, and the year of the set move a single watch within that range.
Is now a good time to buy a GM-B2100D-1A?
Sales over the last 7 days (median $260) are within its usual range. Prices are steady: no unusual discount or premium at the moment.
What is the lowest price a GM-B2100D-1A has sold for recently?
The lowest sale in the last 90 days was $120, and one in ten sold below $135. Watches at the bottom of the range usually show wear or come without box and papers.
How easy is a GM-B2100D-1A to sell?
About 1 sell every week. It is a liquid reference: priced near the median, it should find a buyer quickly.
How much are sellers asking for a GM-B2100D-1A?
The median asking price for watches listed now is $300, 20.0% above what they actually sell for. Asking prices start around $270.
How does the GM-B2100D-1A compare with the GA-2100-1A1?
The GA-2100-1A1 sells for a median of $80, $170 less than the GM-B2100D-1A.
Data through Oct 21, 2026