Seiko Speedtimer SPB513 Market Price & Sold Comps

Market report

updated 20 Sep 2026 · 28 listings, 15 later marked sold · r/Watchexchange, 180 days

The Seiko Prospex Speedtimer Mechanical SPB513 moves quickly, with a median of 7 days from listing to later marked sold. Most asks fall between $800 and $850, and the median asking price of listings later marked sold is $800. Excellent condition dominates the mix, and model years seen in listings span 2025 to 2026. With only 3 listings in the last 30 days versus 10 in the prior 90, recent asking trends are too thin to compare against the earlier median of $822. All data comes from r/Watchexchange.