Omega Seamaster 300M 2531.80 vs Omega Speedmaster Professional 311.30.42.30.01.005
Which is the better buy? What each sells for, how it holds up against retail, how many are for sale and how they move.
In short
The 2531.80 sells for $1,700 less than the 311.30.42.30.01.005 ($3,050 against $4,750), 36% less, as a full set in excellent condition.
Side by side
| Measure | 2531.80 | 311.30.42.30.01.005 |
|---|---|---|
| Market value | $3,050 | $4,750 |
| Typical range | $2,850 – $3,250 | $4,450 – $5,050 |
| Unworn | $3,250 | $5,100 |
| Without box & papers | $2,750 | $4,300 |
| US retail | — | $5,350 last retail (2021) |
| vs retail | — | −11% |
| Today | — | — |
| For sale now | — | — |
| Sales, 30 days | — | — |
| Auctions that sold | — | — |
| Case | 41mm | 42mm |
| Movement | Cal. 1120 | Cal. 1861 |
| Production | — | Discontinued 2021 |
Values are full set, excellent condition unless the row says otherwise, from real eBay sales and live listings.
How they've moved
The chart of how they move against each other fills in as the days go by.
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Swap the order ›2531.80 price page ›311.30.42.30.01.005 price page ›
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