Platinum, square Watch no. 41573

Case: Square platinum, marked "Touchon & Co.", engraved "JGV" monogram Dial: Silvered, applied arabic numerals, gold hands, subsidiary seconds dial, signed "Touchon & Co., Swiss" Movement: Nickel, bi-metallic balance with flat blued steel balance spring with polished steel kidney piece, signed "Touchon & Co., Swiss, 8 Adjustments, 19 Jewels, 41573, Extra" Provenance: 19?? - Touchon, Geneve Triple signed