Two watches in yellow gold (750) : - Collar watch. Circular housing with cut-off sides. Rear cover with chiselled bottom of rinceaux, RG coded. Dial with white enamelled background, black painted indexes Arabic numerals for the hours, gold applied dots for the minutes, gold hands. Hand-wound mechanical movement. Dust cover in yellow gold. Gross weight: 16.7 g. - Diameter: 22 mm. Scratches, oxidation on the dial. - Collar watch transformed into a wristwatch. Engine-turned and violet enamelled back cover centred on a rose-cut diamond in a closed setting, the middle of the case underlined by a garland of laurels. Dial with white enamelled background, black painted indexes Arabic numerals for the hours, gold applied dots for the minutes, gold hands. Hand-wound mechanical movement. Dust cover in yellow gold. Gold-plated metal bracelet and rope, flap clasp. Gross weight: 24.6 g. Case diameter: 28 mm. - Wrist circumference: 13.5 cm. Scratches, oxidation on the metal of the bracelet.