4023 - Pendant watch: gold and enamel "Boule de Genève" shaped watch with original brooch and diamond setting, circa 1900: Ca. Ø 20 mm, gold case in a very rare version with matching brooch, glazed on both sides, enamelled and set with diamonds, lever movement of a similar quality to the movements of Patek Philippe "Boule" watches, enamel dial, pink gold hands, movement in need of cleaning, enamel restored.