OMEGA 234.30.41.21.01.001
Seamaster 300 Master Co-Axial
2014 –present Retail $6,200
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
New / Like New / Full Kit
$4,295 – $5,579
high confidence
Excellent / Pre-Owned
$3,759 – $4,572
high confidence
Used / Watch Only
$2,711 – $3,521
high confidence
Fair Market Value
$4,047
Blended estimate for excellent condition
Recent Comparable Listings
Specifications
Case Diameter 41 mm
Case Height 14.35 mm
Case Material stainless steel
Case Shape round
Case Back exhibition
Lug Width 21 mm
Water Resistance 300m
Crystal Sapphire
Bezel Type Unidirectional rotating dive bezel with Liquidmetal diving scale
Bezel Material ceramic
Dial Color black
Dial Indexes applied
Dial Hands sword
Bracelet/Strap Bracelet
Bracelet Material stainless steel
Clasp fold_over
Complications date
Movement
Movement Calibre 8400
Type automatic
Power Reserve 60 hours
Frequency 25,200 vph
Jewels 40
Certification COSC
Functions hours, minutes, seconds, date
More from Seamaster 300
View all Seamaster 300 references →
Related Guides & Articles
Market Research
Most Popular Resale Watches in 2026
The most popular watches on the secondhand market right now — which brands and models hold value, trade most frequently, and offer the best deals.
Mar 7, 2026
Market ResearchOmega Price Guide: Pre-Owned Prices 2026
Current secondhand Omega prices across all collections — Speedmaster, Seamaster, Constellation and more. Median prices, ranges, and best value picks.
Mar 7, 2026
Buyer's GuideHow to Compare Secondhand Watch Prices
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.
Mar 7, 2026
Market ResearchBest Secondhand Watch Deals Right Now
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.
Mar 7, 2026