Jean Muller: A ‘Damoiselle D’ Rosa 18ct white gold and diamond wristwatch, the watch with mother-o’-pearl dial, with three diamond hour markers, within brilliant-cut diamond set bezel and diamond and white enamelled petal surround, the reverse signed and stamped ‘MR1G1N No 16’, bearing European convention mark ‘750’ and maker’s mark, Swiss quartz movement, to a pink leather lined black satin strap with diamond set buckle, watch head diameter 29.5mm. £500-£600