Caseback Terminal

Omega Seamaster 300M 2531.80 vs Omega Speedmaster Professional 310.30.42.50.01.001

Which is the better buy? What each sells for, how it holds up against retail, how many are for sale and how they move.

OmegaSeamaster 300M2531.80 · Blue wave$3,050OmegaSpeedmaster Professional310.30.42.50.01.001 · Moonwatch, Hesalite$5,650

In short

The 2531.80 sells for $2,600 less than the 310.30.42.50.01.001 ($3,050 against $5,650), 46% less, as a full set in excellent condition.

Side by side

Measure2531.80310.30.42.50.01.001
Market value$3,050$5,650
Typical range$2,850 – $3,250$5,300 – $6,000
Unworn$3,250$6,050
Without box & papers$2,750$5,100
US retail—$7,800
vs retail—−28%
Today——
For sale now——
Sales, 30 days——
Auctions that sold——
Case41mm42mm
MovementCal. 1120Cal. 3861
Production—Current

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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