Seiko Prospex 62MAS reissue SPB143
Grey dial · 40.5mm · Cal. 6R35
Market value
Full set · Excellent condition$800
Today
The chart fills in as the days go by.
Typical sale range $750 – $850
Last US retail $1,200 · discontinued 2024 33% under retail
Based on a market price we check against outside price guides every week, until eBay sales add up.
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 | $855 | $820 | $805 | $770 |
| Excellent | $800 | $770 | $750 | $720 |
| Good | $745 | $715 | $700 | $670 |
| Fair | $670 | $645 | $630 | $605 |
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.
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Recent sales
All Seiko sales ›Sold on eBay ›No sales recorded for the SPB143 yet. Final prices land here as tracked auctions close.
About the SPB143
- Brand
- Seiko
- Model
- Prospex 62MAS reissue
- Reference
- SPB143
- Version
- Grey dial
- Case
- 40.5mm
- Movement
- Cal. 6R35
- Last US retail
- $1,200
- Production
- Discontinued 2024
Questions
How much is a Seiko Prospex 62MAS reissue SPB143 worth?
About $800 as a full set in excellent condition, with most selling between $750 and $850. An unworn one brings about $855; a watch without its box and papers about $720.
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.
What did the SPB143 cost new?
Its last US retail price was $1,200. It was discontinued in 2024. Today it sells for about $800 as a full set in excellent condition, 33% less than it cost new.
Where can I sell a SPB143?
On eBay, where you'd keep about $655 of a $800 sale after eBay's fees and insured shipping, or to a dealer, who pays less but quickly, with no listing, fees or buyer risk. Get an offer from a trusted dealer.
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 November 9, 2026). More on how values work.
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