Gold & enamel Chronometer no. 49451

Case: Gold & enamel, signed "49451, 52" Dial: Gold, Breguet numerals, blued steel spade hands, subsidiary seconds dial, unsigned. Movement: Nickel, bi-metallic balance with flat blued steel balance spring with polished steel kidney piece, hanging mainspring barrel, stamped with the Geneva seal, signed "Extra Adjusted", and signed "49451, Swiss" on main plate. Provenance: 19?? - Haas Neveux, Geneve 2022 - Private collection, since before 2022