This Unique tonneau watchface condition has extended been a signifying mark of Vacheron Constantin given that 1912. The Malte collection boasts traditional watches with clean up lines, distinguished mechanisms, and continues to be stamped with the Hallmark of Geneva - one of the most prestigious in watchmaking. Pierre Jaquet-Droz (1721-1790), https://rosegoldwatchwomen.blogspot.com/2025/08/chronograph-watches-that-balance.html