All three models use the same movement that is common to the other entries in the American 1921 family, Vacheron Constantin’s hand-wound calibre 4400 AS. Seen through a wide display caseback, with 65 hours of power reserve supporting hours, minutes, and sub seconds, the 4400 AS ticks at 4 Hz, measures just 2.8mm thick, and carries the Hallmark of Geneva. view details
All three models use the same movement that is common to the other entries in the American 1921 family, Vacheron Constantin’s hand-wound calibre 4400 AS. Seen through a wide display caseback, with 65 hours of power reserve supporting hours, minutes, and sub seconds, the 4400 AS ticks at 4 Hz, measures just 2.8mm thick, and carries the Hallmark of Geneva.
view details