Gold Repeating Chronograph Watch no. Unknown

Case: Gold Dial: White enamel, Breguet numerals, subsidiary dials for month, day, date & seconds, with aperture for moon phase, unsigned. Movement: Nickel, bi-metallic balance with blued steel balance spring with Breguet overcoil with polished steel kidney piece, lever with counterpoise and capped pivots, twin barrels with differential winding, signed "Mon. B. Haas, Geneve-Paris ..." Provenance: 1??? - Haas Neveux, Geneve 1??? - Uhrenmuseum Winterthur, The Oscar Schwank collection