Seiko Prospex 62MAS reissue SPB143
Grey dial · 40.5mm · Cal. 6R35
Market value
Full set · Excellent condition$810
Typical sale range $710 – $875
Built from 7 asking prices on eBay, plus a market price we check every week. Updated 3 min ago.
Price history
We record this watch's value every day starting September 29, 2026. The chart fills in as the days go by.
Value by condition
What a SPB143 sells for in each condition, with and without its box and papers.
| Condition | Full set | Papers only | Box only | Watch only |
|---|---|---|---|---|
| Unworn | $870 | $835 | $815 | $780 |
| Excellent | $810 | $780 | $765 | $730 |
| Good | $755 | $725 | $710 | $680 |
| Fair | $680 | $655 | $640 | $615 |
Unworn: never worn, often with stickers. Excellent: light wear. Good: visible wear. Fair: heavy wear or needs work. A full set has the original box and papers. Listings that don't say are valued as a typical listing.
For sale now
All 6 on the live feed ›Buy It Now, best priced first
Seiko Prospex 40.5mm Men's Black Watch - SPB143J1$772104%
Seiko Prospex Gray Men's Watch - SBDC101 / SPB143 Gen 1 - no 3 o'clock lume pip$908123%
SEIKO SBDC101 Prospex SPB143 62MAS Charcoal Gray Diver Watch Excellent Condition$945123%
✅ Brand New ✅ Seiko Prospex SPB143J1 / SPB143$1,160141%
Seiko Prospex Diver SPB143J1 6R35-00P0 Automatic Men's Watch 1965 Interpretation$1,087147%
SEIKO Prospex SBDC101 SPB143 6R35-00P0 Grey Dial 200m Automatic Men Diver Watch$1,160157%
Recent sales
All Seiko sales ›Sold on eBay ›- Seiko Prospex 62MAS reissue SPB143≤$1,199
≤ sold with offers on: the accepted offer may have been lower, and eBay doesn't say. These don't count toward values.
About the SPB143
- Brand
- Seiko
- Model
- Prospex 62MAS reissue
- Reference
- SPB143
- Version
- Grey dial
- Case
- 40.5mm
- Movement
- Cal. 6R35
Questions
How much is a Seiko Prospex 62MAS reissue SPB143 worth?
About $810 as a full set in excellent condition, with most selling between $710 and $875. An unworn one brings about $870; a watch without its box and papers about $730.
How much do box and papers add?
A SPB143 without its box and papers typically sells for about 10% less than a full set in the same condition. The original papers (the warranty card) matter most.
Where do these prices come from?
Caseback Terminal follows every eBay auction and Buy It Now listing for the SPB143, records final prices as they close, and blends them with current asking prices and a market price we check against outside guides every week (last on September 29, 2026). More on how values work.
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