Haas Neveux Yellow Gold Enamel and Diamond Set Porcelain Dial. Lapel Watch. Circa 1910 very fine, Museum Quality Enamel and Gem set Lapel Watch by Haas Neveux. 18K Yellow Gold with Fine enamel, gold chasing and accented with numerous Rose cut Diamonds. Stem set Jeweled Nickel lever movement. Porcelain Dial with sunk seconds chapter and Gold hands. Matching case and Movement Numbers and also having the name of Boston Retailer Smith Patterson & co engraved on the movement.