18ct white gold Vacheron Constantin Patrimony Traditionnelle. 82172/000G-9383. Hand wound caliber 4400 movement. 38mm Case Diameter. 21 jewels, 28,800 vph. Functions, hours, minutes and subsidiary seconds. Silver dial with applied index hour markers. Solid case back. Black croc strap with 18ct Vacheron Constantin buckle. Box and papers dated October 2011. Our reference S20732.