How Much Is a Omega Seamaster Diver 300M Co-Axial Master Chronometer 42mm Black Dial Worth?
A Omega Seamaster Diver 300M Co-Axial Master Chronometer 42mm Black Dial sells for a median of $4251 right now, across a healthy sample of 228 completed sales. Prices swing widely, anywhere from $1250 to $17999 depending on condition, edition, and demand.
What's YOUR item worth?
This page shows the market average. Snap or upload a photo of your item and our AI values it instantly. Free, no account needed.
More listings of this item
Images from current eBay listings of this item. Tap a photo to view the listing.
Shop all current Omega Seamaster Diver 300M Co-Axial Master Chronometer 42mm Black Dial listings on eBay →Sold Range
$1,250.00 to $17,999.10
228 recent sales
Sold Median
$4,250.73
Realistic sale price
Asking (Active)
$4,274.50
34 live listings
AI Estimate
$3,900.00
Avg of 1 scans
Market Insight
Asking and sold prices are aligned: $4275 asking against a $4251 sold median. The market is settled, so a sale should track the median if the condition and comps match.
Recent Sold Comparables
What this item has actually sold for, pulled from public sold listings.
Some links on this page are eBay affiliate links. If you buy through them, we may earn a small commission at no extra cost to you.
Know someone with one of these?
Get a Value for Your Specific Item
This page shows market data for Omega Seamaster Diver 300M Co-Axial Master Chronometer 42mm Black Dial in general. Your item's actual value depends on condition, completeness, and current demand. Scan it to get a specific number.
1. Snap a Photo
Just point your phone at the item. No typing.
2. AI Identifies It
Maker, model, era, and condition assessed in seconds.
3. See Real Prices
Sold comps + asking range from eBay, Poshmark, Mercari, etc.
Frequently Asked Questions
How much is a Omega Seamaster Diver 300M Co-Axial Master Chronometer 42mm Black Dial worth?
Based on 228 recent sold listings, a Omega Seamaster Diver 300M Co-Axial Master Chronometer 42mm Black Dial typically sells for $1250 to $17999 with a median of $4251. The exact value depends on condition, completeness, and current demand. Run a scan for a price on your specific item.
What are sellers asking for a Omega Seamaster Diver 300M Co-Axial Master Chronometer 42mm Black Dial right now?
Live listings for a Omega Seamaster Diver 300M Co-Axial Master Chronometer 42mm Black Dial ask about $4275, close to the $4251 that recent sales closed at.
Other Accessories Guides
Recent value guides for related items in the same category. See what accessories is worth →
Based on 228 recent sold listings across eBay, Poshmark, and Mercari. Last updated September 16, 2026.
Get a Real Value for Your Omega Seamaster Diver 300M Co-Axial Master Chronometer 42mm Black Dial
A 5-scan pack with real sold comps for your exact items and condition, just $3, no subscription. Want the subscription rate? Plans start at $5/mo.
Get 5 Scans for $3Trust our pricing? See more of our value guides in Google Search.