Omega Seamaster Diver 300M 210.30.42.20.01.001
Black · 42mm · Cal. 8800
Market value
Full set · Excellent condition$4,450
Today
The chart fills in as the days go by.
Typical sale range $4,200 – $4,700
US retail $6,700 34% under retail
Based on a market price we check against outside price guides every week, until eBay sales add up.
Value by condition
What a 210.30.42.20.01.001 sells for in each condition, with and without its box and papers.
| Condition | Full set | Papers only | Box only | Watch only |
|---|---|---|---|---|
| Unworn | $4,750 | $4,550 | $4,500 | $4,300 |
| Excellent | $4,450 | $4,250 | $4,200 | $4,000 |
| Good | $4,150 | $3,950 | $3,900 | $3,700 |
| Fair | $3,750 | $3,600 | $3,500 | $3,350 |
Unworn: never worn, often with stickers. Excellent: light wear. Good: visible wear. Fair: heavy wear or needs work. A full set has the original box and papers. Listings that don't say are valued as a typical listing.
Selling a 210.30.42.20.01.001? See what yours is worth for its condition, then get an offer from a trusted dealer. Free, with no obligation.
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Recent sales
All Omega sales ›Sold on eBay ›No sales recorded for the 210.30.42.20.01.001 yet. Final prices land here as tracked auctions close.
About the 210.30.42.20.01.001
- Brand
- Omega
- Model
- Seamaster Diver 300M
- Reference
- 210.30.42.20.01.001
- Version
- Black
- Case
- 42mm
- Movement
- Cal. 8800
- US retail
- $6,700 (Sep 2026)
- Production
- Current
Questions
How much is a Omega Seamaster Diver 300M 210.30.42.20.01.001 worth?
About $4,450 as a full set in excellent condition, with most selling between $4,200 and $4,700. An unworn one brings about $4,750; a watch without its box and papers about $4,000.
How much do box and papers add?
A 210.30.42.20.01.001 without its box and papers typically sells for about 10% less than a full set in the same condition. The original papers (the warranty card) matter most.
Is the Omega Seamaster Diver 300M 210.30.42.20.01.001 worth more than retail?
No. It sells for about $4,450 as a full set in excellent condition, 34% less than its US retail price of $6,700 (as of Sep 2026). Buying one pre-owned saves about $2,250 over new.
Where can I sell a 210.30.42.20.01.001?
On eBay, where you'd keep about $4,000 of a $4,450 sale after eBay's fees and insured shipping, or to a dealer, who pays less but quickly, with no listing, fees or buyer risk. Get an offer from a trusted dealer.
Where do these prices come from?
Caseback Terminal follows every eBay auction and Buy It Now listing for the 210.30.42.20.01.001, records final prices as they close, and blends them with current asking prices and a market price we check against outside guides every week (last on November 9, 2026). More on how values work.
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