Seiko Prospex Sumo
Sumo King Sumo
6 references
Market Prices
Median
$885
Range
$702 – $966
Listings Tracked
4
References with Data
2
A professional dive watch line known for its distinctive case shape and robust construction
References
| Reference | Name | MSRP | Market | Listings | Size | Years | |
|---|---|---|---|---|---|---|---|
| SBDC027 | Prospex Sumo 50th Anniversary Limited Edition | — | $885 | 2 | 45mm | 2015–2015 | |
| SBDC177 | Prospex Sumo 200M Diver | — | $725 | 2 | 45mm | 2022–present | |
| SBPK001 | — | — | — | — | 45mm | 2023–present | |
 | SPB103J1 | — | — | — | — | 45mm | — |
| | SPB321 | — | — | — | — | 45mm | 2022–present |
 | SPB325J1 | Prospex King Sumo PADI Special Edition | — | — | — | 45mm | — |
Recent Comparable Listings
Other Seiko Collections
Related Guides & Articles
Buyer's Guide
Best Watches Under $1,000 in 2026
The best watches you can buy under $1,000 in 2026 — pre-owned and new picks from Seiko, Hamilton, Orient, Tissot, and G-Shock with current prices.
Mar 7, 2026
Market ResearchSeiko Price Guide: Pre-Owned Prices 2026
Current secondhand Seiko prices — from the Seiko 5 to Presage and Prospex. See pre-owned median prices, ranges, and the best Seiko watches to buy used.
Mar 7, 2026
Buyer's GuideHow to Compare Secondhand Watch Prices
Learn how to compare pre-owned watch prices across marketplaces — understand market value, spot overpriced listings, and find the best deal on the watch you want.
Mar 7, 2026
Market ResearchBest Secondhand Watch Deals Right Now
The best deals on pre-owned watches this month — undervalued models from Rolex, Omega, Tudor, Seiko, and more, with current market prices and why they're worth buying.
Mar 7, 2026