Split second Watch no. 7459

Case: Missing Dial: White enamel, blued steel skeleton hands, signed "CH Meylan, Brassus" Movement: Nickel, chronograph, micrometer regulator, signed "CH Meylan, Brassus, Adjusted 7459, Pat" Provenance: 19?? - CH Meylan, Brassus 2020 - ebay #312937771268, $449, Cleveland, Ohio, 19 Jan 2020