Repeating Chronograph Watch no. 15598
Case: Missing, hunting, cover winding.
Dial: Double dial, the first white enamel, Roman numerals, aperture for moon phase, subsidiary seconds dial, the second annular, indicating day & date, with central aperture to display movement, gold spade hands, unsigned.
Movement: Cover winding, nickel, 29 jewels, bi-metallic balance with blued steel balance spring with Breguet overcoil with polished steel kidney piece.
???? - Haas Neveux, Geneva
1998 - Antiquorum October 31, 1998 est 5-6,000chf sold 6,325chf "B. Haas & Cie., No. 15598, Swiss, circa 1890. Very rare, double face, moon phase astronomical, keyless minute repeating, watch movement with perpetual calendar, wound by opening and closing the cover. D. White enamel, on the front face, with Roman numerals, outer Arabic minute ring, sunk subsidiary seconds and moon phase aperture. White enamel chapter ring on the rear face, with dates and clays of the week. Gold "spade " hands. M. Nickel plated, 29 jewels, straight line lever escapement, cut bimetallic balance, blued steel Breguet balance spring. Repeating on gongs with slide in the band. Haas patented winding device by opening and closing the cover. Accompanied by copies of the original patents. Diam. 55mm."
2020 - YouTube Video by watchmaker Steffen Erich Pahlow www.s1p.de