Platinum, glass crystal and emeralds Chronometer no. -

Case: platinum, glass crystal and emeralds Dial: silvered dial, signed A L'emeraude, Lausanne Movement: s/n; 145164 (below the dial), caliber 17''', 2 x Poincon de Geneve quality seal Provenance: 1928 - Niton, Geneve (or finished by Piaget, still validating) 1928 - A L'Emeraude, Lausanne 2020 - Antiquorum, Geneve Antiquorum, Geneve, October 1, 2020, Only Online Auction – A Watchmaking W...Lot 1 A lLEmeraude, Dress-watch; platinum, glass crystal and emeralds. Platinum, glass crystal and emeralds, open-face, keyless-winding, round-shaped, single-piece dress-watch, silver dial with “Breguet” numerals. Brand A L'Emeraude, Lausanne Year circa 1930 Movement No. unnumbered (probably by Niton, Geneva), with Geneva Quality Hall Mark Case No. unnumbered Material platinum, glass crystal and emeralds Diameter 44.6 mm. Caliber 16’’’, lever escapement Signature dial https://catalog.antiquorum.swiss/en/lots/a-l-emeraude-lot-331-1