Seiko SRPD11
Prospex Save the Ocean Turtle
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
Recent Comparable Listings
The Seiko Prospex SRPD11, nicknamed "Turtle", is a dive watch featuring a distinctive cushion-shaped case. Part of the "Save the Ocean" series, it boasts a blue and black unidirectional rotating bezel and a black dial. It is powered by the Seiko 4R36 automatic movement.
Specifications
Movement
More from Turtle
View all Turtle 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.