Seiko Alpinist SPB503 Market Price & Sold Comps
Sold median $775 · recent sales $680–$900 · 12 comps · updated 21 Sep 2026
- 30-day trend
- Thin data
- 90-day trend
- Down 6%
- Median Time To Sell
- 5.7 days
- Comp Window
- 180 days
Market report
The Seiko Alpinist SPB503 moves quickly, with a median of five days from listing to later marked sold. Asks on r/Watchexchange typically fall between $750 and $850, with a median of $800 and a sold-asking median of $775. Listings later marked sold most often come with full sets, and excellent condition dominates the mix over like-new or new. Model years seen in listings span 2025 to 2026. Asking prices in the last 30 days showed no clear trend against the prior 90-day median of $778, though sample sizes were small.
Comp Price Map
Recent sales ran $680–$900. 30-day trend: Thin data. 90-day trend: Down 6%.
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.