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

	Ulysse Nardin 1533-150-3/43	Ulysse Nardin 1183-122-3/40
Model	Marine Chronograph 43mm	Marine Chronometer Manufacture 40mm
Caliber	Ulysse Nardin Cal. UN-76 -- in-house automatic chronograph, 28,800bph, 48h PR; silicon components; used in Marine Chronograph 43; column-wheel; rotor with 18k gold mass	Ulysse Nardin Cal. UN-118 -- in-house automatic chronometer, 28,800bph, 60h PR; silicon components, anti-magnetic; used in Marine Chronometer 40
Case size	43mm	40mm
Lug-to-lug	50mm	46mm
Years produced	2012–present	2017–present
Brand tier	luxury	luxury
Era	modern	modern
Movement tier	Unclassified movement	Unclassified movement
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	sport	dress
Editorial	n/a	yes

Ulysse Nardin Marine Chronograph 43mm vs Ulysse Nardin Marine Chronometer Manufacture 40mm