OMEGA 135.027
Seamaster 120
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
A classic manual-wind dive watch from Omega's Seamaster line of the late 1960s and early 1970s. Notable for its clean no-date dial layout, 120m water resistance rating, and manual-wind caliber 601 movement. Originally came with the Omega reference 1069 bracelet.
Specifications
Movement
More from Seamaster 120
View all Seamaster 120 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 Omega prices across all collections — Speedmaster, Seamaster, Constellation and more. Median prices, ranges, and best value picks.
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.