Platinum Watch no. Unknown

Case: Platinum Dial: White, apertures for jump hour and minutes, signed "Haas Neveux & Cie., Geneve, M. Goldschmidt Sö" Movement: Provenance: 1??? - Haas Neveux, Geneva 2017 - Arthouse Hejtmánek 1 Jun 2017, Prague, est EUR2,800, sold EUR4,000, "AN ART DECO HAAS NEVEUX & CIE GEN?VE MEN'S POCKETWATCH / Around 1930, Switzerland, Geneve Unique pocket watch with a patented mechanism (Swiss patent 121377). Minutes and hours indicated on the dial in Arabic numerals. Elegant platinum case. Marked "Haas Neveux & Cie Gen?ve, M. Goldschmidt Sö." Hallmarked. Two chains on an Art Deco black textile cord pendant with a diamond. (D. 4.4 cm)"