Omega
Seamaster Aqua Terra 150M 41.5mm
Ref. 231.10.42.21.03.003
· 41.5mm · caliber Omega Cal. 8500: Co-Axial automatic, 3.5Hz, 60h PR; chronometer-certified, anti-magnetic to 15,000 gauss
Live pricing is coming soon. Get notified when it is available for this reference.
In-house manufacture caliber
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
41.5 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
Wears like
Closest by lug-to-lug, thickness and width, which is what decides how a watch sits, rather than by brand or price. Family members are excluded.
- A. Lange & Söhne 1815 Flyback48.5mm lug-to-lug · 13.1mm thick · 41.9mm wide · almost identical on the wrist
- Girard-Perregaux Laureato Chronograph 42mm48mm lug-to-lug · 12.9mm thick · 42mm wide
- Cartier Ballon Bleu de Cartier 42mm48mm lug-to-lug · 13mm thick · 42mm wide
- Tutima Glashütte Grand Flieger Classic Automatic48mm lug-to-lug · 13mm thick · 41mm wide
Drawn from the 646 of 779 references that have all three measurements recorded. Why the other 133 are missing.
Source for this entry: omegawatches.com
Pre-purchase sheet → The numbers to check, what to look at and what to ask, on one printable page.