Seiko · reference SPB151
Prospex
SPB151
4 qualifying recorded sales in the 90-day window. Data through 2026-10-07.
$1,10090-day sold median
No daily signalA daily signal needs at least three sales on the latest observed date.
Small sample: fewer than five qualifying sales.
Collection checked 2026-10-22. The newest qualifying sale is more than seven days old.
Price history
Each point is a median of the sales observed on that date. Gaps over seven days are not connected. A longer chart appears when earlier observations are available.
Sold-price distribution
| Window | Sales | Minimum | p10 | p25 | Median | p75 | Maximum |
|---|---|---|---|---|---|---|---|
| 90 days | 4 | $364 | $364 | $364 | $1,100 | $1,300 | $1,400 |
Recent recorded sales
- $1,3002026-10-07Rare Seiko SPB151 Captain Willard Automatic 6R35 Black Dial Bracelet & Strap ↗
- $3642026-10-03RARE Seiko Prospex Captain Willard SPB151 Automatic Diver Watch Black BNIB NOS ↗
- $1,4002026-09-28Rare Seiko Prospex Made in Japan SBDC 109 Captain Willard SPB 151 First Gen ↗
- $1,1002026-07-25SEIKO SBDC109/SPB151 CAPTAIN WILLARD 200M DIVE WATCH ↗
Questions about SPB151
What is a used Seiko Prospex SPB151 worth?
The 90-day median of 4 qualifying recorded sales is $1,100. The middle half sold between $364 and $1,300. Condition, dial, material and included papers affect individual prices.
How has its price changed?
There are not enough observations for a reliable 30-day comparison yet. Compare recorded price changes.
How current is the data?
The newest qualifying sale is dated 2026-10-07. Collection was checked on 2026-10-22. Sold-price statistics use the 90-day window; asking prices are a separate live-listing sample.
Inspect this reference’s JSON data ↗
Other Prospex references
| Reference | Sold median | 30-day change | Recorded sales | Data through |
|---|---|---|---|---|
 SPB143Seiko Prospex · 90d |
$990 | — | 28 | 2026-10-21 |
 SPB145Seiko Prospex · 90d |
$671 | — | 7 | 2026-10-19 |
 SPB147Seiko Prospex · 90d |
$750 | — | 7 | 2026-09-19 |
 SPB149Seiko Prospex · 90d |
$1,150 | — | 2 | 2026-10-19 |
| SPB151Seiko Prospex · 90d |
$1,100 | — | 4 | 2026-10-07 |
 SPB153Seiko Prospex · 90d |
$1,050 | — | 13 | 2026-10-14 |