Seiko SPB143J1
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
Recent Comparable Listings
The Seiko SPB143J1 is a Prospex diver's watch featuring a grey dial and a stainless steel case and bracelet. It houses the Seiko 6R35 movement with a 70-hour power reserve and is water-resistant to 200 meters. A modern re-interpretation of the 62MAS diver.
Specifications
Movement
More from Prospex
View all Prospex references →
Related Guides & Articles
The best watches you can buy under $1,000 in 2026 — pre-owned and new picks from Seiko, Hamilton, Orient, Tissot, and G-Shock with current prices.
Current secondhand Seiko prices — from the Seiko 5 to Presage and Prospex. See pre-owned median prices, ranges, and the best Seiko watches to buy used.
Learn how to compare pre-owned watch prices across marketplaces — understand market value, spot overpriced listings, and find the best deal on the watch you want.
The best deals on pre-owned watches this month — undervalued models from Rolex, Omega, Tudor, Seiko, and more, with current market prices and why they're worth buying.