Side-by-side at a glance. Click a watch above to open the full reference page.

	Omega 424.13.40.20.02.001	Omega 424.10.42.20.02.001
Model	De Ville Prestige Co-Axial 39.5mm	De Ville Prestige, 42.4mm
Caliber	Omega Cal. 2500C -- Co-Axial automatic, 25,200bph, 48h PR, 27j; anti-magnetic to 15,000 gauss; used in the mid-size De Ville Prestige	Omega Cal. 8500 -- Co-Axial Master Chronometer automatic, 25,200bph, 60h PR, 30j; METAS-certified, anti-magnetic; used in De Ville Hour Vision lines
Case size	39.5mm	42.4mm
Lug-to-lug	46mm	47mm
Years produced	2014–present	2017–present
Brand tier	luxury	luxury
Era	modern	modern
Movement tier	In-house manufacture	In-house manufacture
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	dress	dress
Editorial	n/a	yes
Service	n/a	Every 8 years · $600 – $900

Omega De Ville Prestige Co-Axial 39.5mm vs Omega De Ville Prestige, 42.4mm