Vacheron Constantin Overseas chronograph

The Overseas chronograph reference 5520V/210A-B481 is part of Vacheron Constantin's Overseas collection. The round steel case measures 42.5mm and houses a black dial protected by a sapphire crystal, with water resistance to 150 meters. It operates on the automatic calibre 5200, an in-house movement offering chronograph functionality and bearing the Poinçon de Genève, the hallmark introduced by the Republic and Canton of Geneva in 1886 to certify quality craftsmanship and provenance.