Gold Chronograph Chronometer no. 19270
Movement: Nickel, hanging mainspring barrel
See also: Watch no. 18865
1??? - Haas Neveux, Geneve
2021 - Antiquorum, 6 Nov 2021, est CHF7-12,000, "Highly unusual pocket watch, two independent chronographs, each with a 30-minute counter; 18K yellow gold keyless-winding pocket watch. 1/5 second chronograph (activated by the single round push-piece located on the winding-crown; blued steel hand). White enamel dial with black painted suspended Arabic numerals for the hours and small gold painted radial Arabic numerals for the minutes., Brand Haas Neveux & Co Year Circa 1895-1900 Movement No. 19 270 Case No. 19 270 Diameter 44 mm Caliber 17’’’, rhodium-plated, going barrel, straight-line equilibrated lever escapement, cut bimetallic compensated balance with gold poising screws and blued steel hairspring with terminal curve, polished steel index-regulator with swan-neck spring and micrometric screw, “Poinçon de Genève” (Geneva Quality Hallmark or Geneva seal) punched twice; first chronograph work on the top plate; second chronograph work mounted under the dial. Signature Dial, Case and Movement Accessories Photocopies of press articles of the time , Notes This watch is equipped with two chronograph mechanisms, each working on its own column-wheel and therefore having independent functions. Thanks to their respective control buttons, each of them can be activated independently of the other; the two chronographs perform the “start” / “stop” / “return to zero” functions and each drives its own 30-minute counter (these are with instantaneous jumps). "