Seiko Prospex SPB381 Market Price & Sold Comps

Market report

updated 8 Nov 2026 · 16 listings, 8 later marked sold · r/Watchexchange, 180 days

Listings on r/Watchexchange for this reference move in about 7 days, with 8 later marked sold out of 16 total. Most asks fall between $850 and $995, with a median asking of $962 and a sold asking median of $950. Excellent condition is the most common in the condition mix, and all 7 dial colour listings are green. Only 1 listing stated a year, showing model years seen in listings of 2023. Asking medians held at $962 in the prior 90 days, while the last 30 days had too few listings to report a median.