Vacheron Constantin Patrimony Self-Winding 36mm vs Vacheron Constantin Patrimony Self-Winding

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

	Vacheron Constantin 4100U/000G-B181	Vacheron Constantin 85180/000R-9166
Model	Patrimony Self-Winding 36mm	Patrimony Self-Winding
Caliber	Vacheron Cal. 2450 Q6 -- in-house self-winding, 28,800bph, 40h PR, 27j; movement 31mm diameter; hours, minutes, central seconds, date; Hallmark of Geneva certified	Vacheron Cal. 2450 Q6 -- self-winding with central seconds and date, 28,800bph (4Hz), 40h PR, 27j, 196 parts; 26.2mm x 3.6mm; solid-gold openworked rotor; Hallmark of Geneva
Case size	36mm	40mm
Lug-to-lug	42mm	45mm
Years produced	2018–present	2009–present
Brand tier	top-luxury	top-luxury
Era	modern	neo-vintage
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	dress	dress
Editorial	yes	yes
Typical price (2026)	$14,000 – $20,000	$28,000 – $42,000