18k yellow gold soap watch with finely guilloché back, the white enamelled dial with Roman numerals for the hours. Gold dust cover and clasp (cracked). Late 19th century. Diameter: 3.7 cm - Gross weight: 42.8 g Case. An 18k yellow gold collar watch chased with flowers and engraved on the back, the white enamelled dial with Roman numerals for the hours. Gold dust cover and clasp. Diameter: 2.8 cm - Gross weight: 22.1 g Case.