Gold, enamel & diamond Watch no. Unknown

Case: Dial: Movement: Provenance: 19?? - Haas Neveux, Geneve 2016 - Skinner auction, 27 Sep 2016, sold $1,107, "Lady's 18kt Gold, Enamel, and Diamond Open-face Pendant Watch, B. Haas Jeune, the white enamel dial with arabic numeral indicators and subsidiary seconds dial, stem-wind, stem-set, the case with guilloche enamel and rose-cut diamond flower motif, 26 mm, Swiss guarantee stamps, and suspended from a conforming watch pin, total lg. 2 1/2 in. Estimate $1,000-1,500"