Watch no. 57878

Case: Missing, converted to wrist watch for some reason. Dial: White enamel, Breguet numerals, subsidiary seconds dial, blued steel spade hands, signed "Touchon & Co., Swiss" Movement: Nickel, micrometer regulator, capped pallet pivots, wolf's tooth winding, signed "Touchon & Co., Extra Superior, 8 Adjustments, Eight, Twenty-One, 21 Jewels, 57878, Swiss" Provenance: 19?? - Touchon, Geneve 2020 - ebay #274099104441, Moscow, $2,600, Feb 2020