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

	Vacheron Constantin 4000E/000A-B548	Vacheron Constantin 4600E/000A-B442
Model	Fiftysix Complete Calendar	Fiftysix Self-Winding
Caliber	Vacheron Cal. 2460 QCL/1 -- automatic with annual calendar, moon phase, 40h PR, 27j; day/date/month display; Hallmark of Geneva finishing	Vacheron Cal. 1326 -- Vacheron-finished automatic, JLC base, 28,800bph, 40h PR, 27j; used in Fiftysix Self-Winding; Hallmark of Geneva-certified finishing
Case size	40mm	40mm
Lug-to-lug	46mm	46mm
Years produced	2018–present	2018–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	dress, sport
Editorial	n/a	yes
Typical price (2026)	$18,000 – $26,000	$11,000 – $16,000

Vacheron Constantin Fiftysix Complete Calendar vs Vacheron Constantin Fiftysix Self-Winding