Reference guide
Seiko
Prospex prices.
6 of 6 references have qualifying sold data. Each reference shows its own collection window. Data through 2026-10-21.
Lowest reference median$671
Highest reference median$1,150
Recorded sales61
| 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 |
Prospex price index
An index needs at least two dates with sales for every reference in its basket. More observations are needed for this group.
Observed dates only. Basket: SPB143, SPB153. How the index works.