Platinum & diamond Chronometer no. 61156

Case: Extra thin Platinum, edge lined with diamonds Dial: Engine turned, blued steel spade hands, unsigned Movement: Nickel, bi-metallic balance with flat blued steel balance spring, stamped with seal of Geneva, signed "Adjusted 6, Eighteen 18 Jewels, 61156, Haas Neveux & Co., Swiss". Provenance: 19?? - Haas Neveux, Geneve 2025 - Private collection, Italy since before 2025