18K yellow gold (750‰) collar watch, round dial with white background (dirt and dust), black Roman and Arabic numerals, mechanical winding movement. Case diameter: approximately 30 mm, the 18K yellow gold (750‰) double bowl, the back decorated with vegetal friezes and escutcheon. Pressings. "Tête de Cheval" hallmarks (gross weight: 19.8 g); it is held by an 18K yellow gold (750‰) waistcoat chain with oval mesh alternating with interlocking links, double "bouée" and "mousqueton" clasp, length: 39 cm approx. Gross weight: 19.9 g. Total gross weight: 39.7 g