Seiko Prospex GMT SPB381 Market Price & Sold Comps
Sold median $950 · recent sales $700–$1,100 · 13 comps · updated 21 Sep 2026
- 30-day trend
- Down 8%
- 90-day trend
- Flat
- Median Time To Sell
- 8.0 days
- Comp Window
- 180 days
Market report
Asking prices for the Seiko Prospex GMT SPB381 on r/Watchexchange typically fall between $875 and $995, with a median of $950. The median asking price for listings later marked sold is also $950, and these took a median of 8 days to sell. Most listings describe condition as excellent. The median ask in the last 30 days is unavailable due to low volume, while the prior 90 days saw a median of $975, suggesting asks may have softened slightly.
Comp Price Map
Recent sales ran $700–$1,100. 30-day trend: Down 8%. 90-day trend: Flat.
Recent Same-Reference Signals
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Market context is based on public watch listings WatchSnipe has indexed. It is not an appraisal, guarantee, or escrow recommendation.
Generated 2026-09-21 14:22 UTC. Market data is refreshed as WatchSnipe indexes public listings.