Platinum Watch no. 20544

Case: Platinum Three-piece, "bassine" polished, monogrammed back. DIAM. 46 mm. THICKNESS 7.5 mm Dial: Silver, matted, eccentric jump hour aperture at the lower part, above aperture for Arabic digital minutes, above that an apertures for digital days of the week, date and months. Movement: 40.6 mm. (18'''), rhodium-plated, "fausses cotes" decoration, 18 jewels, straight line lever escapement, cut bimetallic compensation balance with blued steel flat balance spring. Provenance: ???? - Haas Neveux, Geneva 2016 - Christie's 7 June 2016 USD 6,000 - USD 8,000 USD 6,250 "Haas Neveux. An Attractive Slim Platinum Triple Calendar Keyless Lever Jump Hour Dress Watch with Original Box Signed Haas Neveux & Co., Genève, No. 20'544, Circa 1920 With nickel-finished lever movement, 18 jewels, bimetallic compensation balance, silvered matte dial with rectangular triple window for combined day, date and month display on English, fan-form minutes, square aperture for Arabic jumping hours, slim circular case with monogrammed snap on back, case, dial and movement signed 45.5mm diam." 2016 - Antiquorum 2016-11-13 est 8-12000CHF, sold 17,500CHF: "Haas Neveux & Cie, Geneve, No. 20544. Made circa 1900. Very fine, rare and elegant platinum and enamel keyless slim jump hour digital Art Deco dress watch with digital perpetual calendar. Accompanied by the original fitted box. Three-piece, "bassine" polished, monogrammed back. Silver, matted, eccentric jump hour aperture at the lower part, above aperture for Arabic digital minutes, above that an apertures for digital days of the week, date and months. 40.6 mm. (18'''), rhodium-plated, "fausses cotes" decoration, 18 jewels, straight line lever escapement, cut bimetallic compensation balance with blued steel flat balance spring. Notes Signed on dial and case, same number on the movement and case. DIAM. 46 mm. THICKNESS 7.5 mm. A very elegant slim watch. HAAS NEVEUX watches in platinum cases are rare. Digital perpetual calendar watches were introduced by Haas to the design of ROBERT CART. This one is particularly interesting because it also has a digital time display. Antiquorum has only ever sold 2 other examples, only 7 numbers away from this model."