Seiko Midsize Sold Prices
The median sold price for Seiko Midsize is $290. Most sell between $126 and $360, based on 24 eBay sold listings.
Median Price
The middle price when all sales are sorted. Best represents what most buyers pay.
$290
Avg Price
The mean of the middle 80% of sold prices. Excludes outliers at both ends.
$255
Most Sell For
80% of sales fall within this range. Excludes outliers at both ends.
$126 – $360
10th–90th percentile
Total Sales
24
Price History
$337$207
$207
2026-02
1 sales
$270
2026-03
2 sales
$303
2026-04
8 sales
$337
2026-05
2 sales
$261
2026-06
4 sales
$239
2026-07
4 sales
2026-022026-07
| Month | Average price | Sales |
|---|---|---|
| 2026-02 | $207 | 1 |
| 2026-03 | $270 | 2 |
| 2026-04 | $303 | 8 |
| 2026-05 | $337 | 2 |
| 2026-06 | $261 | 4 |
| 2026-07 | $239 | 4 |
Price Distribution
<$130
1 sales
$130–$160
1 sales
$160–$190
7 sales
$190–$230
1 sales
$260–$290
2 sales
$290–$330
6 sales
$330–$360
2 sales
>$360
4 sales
<$130$230–$260>$360
| Price range | Sales |
|---|---|
| <$130 | 1 |
| $130–$160 | 1 |
| $160–$190 | 7 |
| $190–$230 | 1 |
| $230–$260 | 0 |
| $260–$290 | 2 |
| $290–$330 | 6 |
| $330–$360 | 2 |
| >$360 | 4 |
Sales
24 total
Sort:
| Title | Brand | Model | Year | Price | Sold | |
|---|---|---|---|---|---|---|
 | Seiko | Midsize | 1988 | $315 | Jul 21, 2026 | |
 | Men's Vintage 1984 Watch SEIKO 7430-5409. Midsize Seiko · Midsize | Seiko | Midsize | 1984 | $160 | Jul 19, 2026 |
 | Men's Vintage 1987 MOONPHASE Watch SEIKO 7434-7008. Midsize* Seiko · Midsize | Seiko | Midsize | 1987 | $315 | Jul 16, 2026 |
 | Seiko | Midsize | 1987 | $165 | Jul 3, 2026 | |
 | Unisex Vintage 1987 MOONPHASE Watch SEIKO 7434-6079. Midsize Seiko · Midsize | Seiko | Midsize | 1987 | $261 | Jun 28, 2026 |
| Unisex Vintage 1987 MOONPHASE Watch SEIKO 7434-6079. Midsize Seiko · Midsize | Seiko | Midsize | 1987 | $290 | Jun 28, 2026 |
 | Men's Vintage 1987 MOONPHASE Watch SEIKO 7434-7008. Midsize Seiko · Midsize | Seiko | Midsize | 1987 | $315 | Jun 17, 2026 |
 | Seiko | Midsize | 1989 | $180 | Jun 1, 2026 | |
 | Seiko | Midsize | 1989 | $315 | May 22, 2026 | |
 | Men's Vintage 1988 MOONPHASE Watch SEIKO 7434-7008. Midsize* Seiko · Midsize | Seiko | Midsize | 1988 | $360 | May 10, 2026 |
| Men's Vintage 1988 MOONPHASE Watch SEIKO 7434-7008. Midsize* Seiko · Midsize | Seiko | Midsize | 1988 | $400 | Apr 26, 2026 |
| Seiko | Midsize | 1988 | $315 | Apr 21, 2026 | |
 | Men's JAPAN Vintage 1984 Watch SEIKO 6530-5480. Midsize Seiko · Midsize | Seiko | Midsize | 1984 | $160 | Apr 20, 2026 |
 | Men's Vintage 1986 MOONPHASE Watch SEIKO 7434-7000. Midsize* Seiko · Midsize | Seiko | Midsize | 1986 | $340 | Apr 14, 2026 |
 | Seiko | Midsize | 1987 | $378 | Apr 11, 2026 | |
 | Men's Vintage 1984 Watch SEIKO 7430-5359. Midsize Seiko · Midsize | Seiko | Midsize | 1984 | $178 | Apr 4, 2026 |
 | Seiko | Midsize | 1985 | $315 | Apr 2, 2026 | |
 | Men's Vintage 1987 MOONPHASE Watch SEIKO 7434-7008. Midsize Seiko · Midsize | Seiko | Midsize | 1987 | $340 | Apr 2, 2026 |
 | Seiko | Midsize | 1987 | $360 | Mar 5, 2026 | |
 | Unisex Vintage 1987 MOONPHASE Watch SEIKO 7434-6079. Midsize Seiko · Midsize | Seiko | Midsize | 1987 | $180 | Mar 4, 2026 |
 | Men's JAPAN Vintage 1985 Watch SEIKO 7430-5740. Midsize Seiko · Midsize | Seiko | Midsize | 1985 | $207 | Feb 19, 2026 |
 | Seiko | Midsize | 1981 | $108 | Feb 12, 2026 | |
 | Men's Vintage 1995 Watch SEIKO V701-2A49. Midsize Seiko · Midsize | Seiko | Midsize | 1995 | $126 | Feb 12, 2026 |
 | Seiko | Midsize | 1992 | $160 | Jan 16, 2026 |
Frequently Asked Questions
- How much is Seiko Midsize worth?
- The average sold price for Seiko Midsize is $255, with a median of $290. Prices range from $108 to $400 based on 24 eBay sold listings.
- What is the average price of Seiko Midsize?
- Seiko Midsize sells for an average of $255 on eBay. The median price is $290, which better represents typical sales by filtering out outliers.
- What is the most expensive Seiko Midsize ever sold?
- The highest recorded sale for Seiko Midsize on eBay is $400. The lowest sale is $108. Data is based on 24 completed eBay transactions.
Source: SoldPriceGuide (soldpriceguide.com) — eBay sold listing data, regularly updated. Last updated: August 2026.