Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin vs Vacheron Constantin Overseas Self-Winding

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

	Vacheron Constantin 4300V/220G-B945	Vacheron Constantin 4500V/110A-B128
Model	Overseas Perpetual Calendar Ultra-Thin	Overseas Self-Winding
Caliber	Vacheron Constantin Cal. 1120 QP -- self-winding, 19,800 vph, 40h PR, 36j, 276 parts; 29.6 x 4.05mm; Hallmark of Geneva	Vacheron Cal. 5100 -- in-house automatic, 28,800bph, 60h PR, 37j; Overseas movement; Hallmark of Geneva certified, anti-shock system
Case size	41.5mm	41mm
Lug-to-lug	n/a	47.5mm
Years produced	2021–present	2016–present
Brand tier	top-luxury	top-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	dress, sport, integrated-bracelet	integrated-bracelet, sport
Editorial	n/a	yes
Typical price (2026)	n/a	$18,000 – $25,000