Omega
Seamaster Professional 300M
Ref. 2531.80.00
1993–2006 · 41mm · caliber Omega Cal. 1120: automatic, 44h PR; COSC chronometer-certified. Early 2531.80 production used the Cal. 1109.
Live pricing is coming soon. Get notified when it is available for this reference.
Movement tier: unclassified
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
41 mm case. 20 mm lug width. Wears confidently on average to larger wrists. May overhang on slender builds.
Not yet rated
Community + OSINT signals haven’t landed for this reference yet. We don’t publish a rating against zero signal: the number would mean nothing. Editorial body + caliber + market value still surface above; ratings appear once the signal corpus does.
Search pre-owned listings
You might also like
Buying guidance
Sources for this entry: omegawatches.com · fratellowatches.com
Pre-purchase sheet → The numbers to check, what to look at and what to ask, on one printable page.