Split second Watch no. 4146

Case: Missing Dial: White enamel, rattrapante without register, signed "CH Meylan, Brassus" Movement: micrometer regulator, signed "4146, Adjusted, CH Meylan, Brassus, Pat 1880, Swiss" Provenance: 18?? - CH Meylan, Brassus 2020 - ebay #223854414704, Manchester, New Hampshire, $425, 25 Jan 2020