Soap watch in yellow gold (750) with guilloché back and BO numerals enhanced with black enamel. Dial with white enamel background, hour markers with Roman numerals and black painted minute track. Hand-wound mechanical movement. Yellow gold (750) dust cover numbered 448326. With its yellow gold (750) watch chain with two rows of palm mesh linked by a runner adorned with oval heliotrope plaques, ring holding two yellow gold (750) charms adorned with a coral stick and a claw. Gross weight: 143.2 g. - Diameter: 49 mm. In a case. Provenance: Belonged to the Ossian Bonnet family. Documents attached.