Gold Chronograph Chronometer no. 19715

Case: Yellow gold Dial: White enamel, Breguet numerals, subsidiary dials for 30 minute register and flying fifth-seconds, gold Louis XV hands & blued steel chronograph hands, unsigned. Movement: Two train, bi-metallic balance with blued steel balance spring with Breguet overcoil with polished steel kidney piece, micrometer regulator, stamped with Geneva seal, numbered "19715" on main plate. Provenance: ???? - Haas Neveux, Geneva 2015 - Auktionshaus Ineichen 21 Nov 2015 est 4-6,000chf "HAAS NEVEUX & CIE. GENÈVE, No.19.715, split seconds chronograph «Rattrapante» and Foudrayante, 30-minute register, circa 1915. Polished gold-case 18K. Enamel dial (hair line crack), golden Louis XV- hands, blued chronograph hand. Gold cuvette. Nickel plated lever move- ment with corresponding number 19.715, Genevan-seal, Breguet hair spring, compensation-balance wheel, micrometer regulator, beveled under dial work. D = 4,6 cm. 4000.–/6000.–"