Gold, diamond & enamel Chronometer no. Unknown

Case: Gold, engine turned, enamelled,set with diamonds Dial: Silvered, Breguet numerals, subsidiary seconds dial, blued steel cathedrals hands, signed "Dreicer & Co." Movement: Nickel, bi-metallic balance with flat blued steel balance spring with polished steel kidney piece, signed on mainplate "[number], Swiss", probably 49,xxx number Provenance: 19?? - Haas Neveux, Geneve 2022 - Private collection, since before 2022