Seiko Prospex GMT SPB381 Market Price & Sold Comps
Sold median $950 · recent sales $700–$1,100 · 11 comps · updated 4 Oct 2026
- 30-day trend
- Thin data
- 90-day trend
- Flat
- Median Time To Sell
- 7.1 days
- Comp Window
- 180 days
Market report
Listings on r/Watchexchange for the Seiko Prospex SPB381 typically sell within a week, with a median time of 7 days from posting to being marked sold. Most asking prices fall between $875 and $995, and the median ask for listings later marked sold is $950. The condition mix skews toward excellent, with 7 of 15 listings in that grade. Only one listing stated a year, showing 2023 as the sole model year seen in listings. Asking prices in the last 30 days cannot be compared to the prior 90-day median of $978 due to limited recent data.
Comp Price Map
Recent sales ran $700–$1,100. 30-day trend: Thin data. 90-day trend: Flat.
Recent Same-Reference Signals
Prefer to set this up in Telegram? Open the bot
Market context is based on public watch listings WatchSnipe has indexed. It is not an appraisal, guarantee, or escrow recommendation.
Generated 2026-10-04 23:20 UTC. Market data is refreshed as WatchSnipe indexes public listings.