White Watch no. 15857

Case: Missing, bezel missing, case no. 15857 Dial: Silvered, Roman numerals, engine turned, unsigned. Movement: 38mm x 2mm, Nickel, signed "Touchon & Co., Swiss, 18 Jewels, 7 Adjustments, 15857, Extra", in the Audemars-Piguet style (square kidney piece, square lever inspection hole, & six turn Geneva stopwork) Provenance: 19?? - Touchon, Geneve 2019 - ebay #264570150340, CAN$1,100, Quebec inc. case rim & case back, bezel missing 2020 - ebay #254475920902, Colorado, $365, 15 Jan 2020, case now missing