Independent watch market dataDaily collection · 2026-10-22

Seiko · reference SPB143

Prospex
SPB143

28 qualifying recorded sales in the 90-day window. Data through 2026-10-21.

$99090-day sold median

No daily signal

A daily signal needs at least three sales on the latest observed date.

Collection checked 2026-10-22.

seiko prospex SPB143
Representative eBay listing photo ↗. Dial, material and condition can vary.
Middle half of sales$860–$1,050
Asking median$870
Ask vs sold-12.1%
30-day price change—

Price history

Daily median sold price$574–$1,300
2026-07-25 · $995 · 1 sales2026-07-27 · $574 · 1 sales2026-07-28 · $1,000 · 1 sales2026-07-29 · $700 · 1 sales2026-07-30 · $1,000 · 1 sales2026-08-05 · $860 · 1 sales2026-08-07 · $950 · 1 sales2026-08-08 · $804 · 1 sales2026-08-10 · $900 · 1 sales2026-08-13 · $1,100 · 1 sales2026-08-14 · $951 · 1 sales2026-08-21 · $727 · 1 sales2026-08-24 · $1,000 · 1 sales2026-08-27 · $1,104 · 1 sales2026-09-08 · $1,050 · 1 sales2026-09-13 · $875 · 2 sales2026-09-27 · $1,100 · 1 sales2026-09-28 · $1,099 · 2 sales2026-10-05 · $1,300 · 1 sales2026-10-10 · $1,000 · 2 sales2026-10-11 · $945 · 1 sales2026-10-13 · $820 · 1 sales2026-10-20 · $778 · 2 sales2026-10-21 · $1,111 · 1 sales
2026-07-2524 observed sale dates · 2026-10-21

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

WindowSalesMinimump10p25Medianp75Maximum
90 days28$574$727$860$990$1,050$1,300

Recent recorded sales

Questions about SPB143

What is a used Seiko Prospex SPB143 worth?

The 90-day median of 28 qualifying recorded sales is $990. The middle half sold between $860 and $1,050. 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 2026-10-21. 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

ReferenceSold median30-day changeRecorded salesData through
SPB143Seiko Prospex · 90d $990 — 282026-10-21
SPB145Seiko Prospex · 90d $671 — 72026-10-19
SPB147Seiko Prospex · 90d $750 — 72026-09-19
SPB149Seiko Prospex · 90d $1,150 — 22026-10-19
SPB151Seiko Prospex · 90d $1,100 — 42026-10-07
SPB153Seiko Prospex · 90d $1,050 — 132026-10-14