Tudor M79600-0005
Black Bay One 31
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
The Black Bay One 31 represents Tudor's interpretation of their classic diving watch design in a more compact 31mm case size. It features the iconic snowflake hands and maintains the collection's robust construction while being sized for smaller wrists.
Specifications
Movement
More from Black Bay
View all Black Bay references →Related Guides & Articles
The most popular watches on the secondhand market right now — which brands and models hold value, trade most frequently, and offer the best deals.
Current secondhand Tudor prices — Black Bay, Pelagos, and more. See median prices, market ranges, and the best value Tudor watches to buy pre-owned.
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.