Casio · G Shock 2100
Casio G Shock 2100 GM-2100-1A
Updated sales through
Market price
$151
Median of 40 sales over 90 days
- 7 days—
- 30 days▼4.0% down
- 90 days—
GM-2100-1A price history
Smoothed 7-day median sold price · each dot is one day’s sales
- Lowest day
- $76
- Typical day
- $145
- Highest day
- $199
- Sales
- 40
Market data
| Market price (90-day median) | $151 |
|---|---|
| Usual range (middle half of sales) | $130 – $155 |
| Lowest and highest sale | $76 / $199 |
| Sales in the last 90 days | 40 |
| Sales per week | 3.2 |
| Price change (7 / 30 / 90 days) | — / −4.0% / — |
| Median asking price | $220 |
| Asking vs sold | +45.4% |
| Most traded Casio rank | #6 |
| Most recent sale | Oct 21, 2026 |
Where sales land
- Middle half $130–$155
- Median $151
- Last 7 days $145
- 1 in 10 sold under $100
Monthly prices
| Month | Sales | Median | Change |
|---|---|---|---|
| October 2026 | 11 | $145 | ▼4.0% down |
| September 2026 | 12 | $151 | ▲16% up |
| August 2026 | 14 | $130 | ▼14% down |
| July 2026 | 3 | $151 | — |
For sale now
63 listings found, asking $80 to $360 · median $220
Recent sales
The latest completed sales
- Oct 21Casio G-Shock GM2100-1A Metal Covered Octagonal Black Resin Band Watch$148
- Oct 19CASIO G-SHOCK GM-2100-1A$166
- Oct 17CASIO G-SHOCK Stainless Steel Black silver GM-2100-1A$145
- Oct 15Casio G-SHOCK GM-2100-1A 44.4mm Silver Resin Case with Black Resin Band Men's...$140
- Oct 15Casio G-Shock GM2100-1A CasiOak Metal Covered Analog Digital Watch Silver New$169
Other G Shock 2100 references
All G Shock 2100
Similar money, other watches
Questions about the GM-2100-1A
How much is a Casio G Shock 2100 GM-2100-1A worth?
Recent sales put it at $151: that is the median of 40 sales over the past 90 days. Half of them sold between $130 and $155. Condition, box and papers, and the year of the set move a single watch within that range.
Is the GM-2100-1A going up or down in price?
Down 4.0% over 30 days: the typical sale in the last 30 days was $145 (17 sales), against $151 (6 sales) in the 30 days before.
Is now a good time to buy a GM-2100-1A?
Sales over the last 7 days (median $145) are within its usual range. Prices are steady: no unusual discount or premium at the moment.
What is the lowest price a GM-2100-1A has sold for recently?
The lowest sale in the last 90 days was $76, and one in ten sold below $100. Watches at the bottom of the range usually show wear or come without box and papers.
How easy is a GM-2100-1A to sell?
About 3 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-2100-1A?
The median asking price for watches listed now is $220, 45.4% above what they actually sell for. Asking prices start around $80.
How does the GM-2100-1A compare with the GA-2100-1A1?
The GA-2100-1A1 sells for a median of $80, $71 less than the GM-2100-1A.
Data through Oct 21, 2026