Founded in Geneva in 1755, Vacheron Constantin is the world's oldest watchmaker in continuous operation. The Patrimony collection represents Vacheron Constantin's purest expression of mid-century elegance and minimalist design. Introduced formally as a collection in the early 2000s yet inspired from the brand's 1950s Calatrava-style dress watches, such is this example. Model: Calatrava style Patrimony. Reference: P453-/-3C. Year: Circa 1940s-1950s. Material: 18ct yellow gold. Case Dimensions: 35 mm diameter, 9.0 mm thickness. Dial and Hands: Original cream dial with applied gold hour markers, chevron style with Roman quarter markers, elegant sub'seconds dial at 6'o'clock, classic gold fils style hands. Crystal: Plexiglass acrylic crystal. Calibre: Vacheron Constantin hand-wound calibre P453-/-3C, 17 jewels, 18,000-vph, fine decoration including Cotes-de-Geneve swan-neck regulator. Bracelet/Strap: Leather strap with vintage gold buckle or Vacheron alligator strap, per variant. Box/Papers: None supplied.