Mostly including drawings of lady?s jewellery-wristwatches, enhanced with gouache. These three registers cover the entire production of an important Parisian maker. Over than 700 watch cases are illustrated, made for eminent jewellers such as: Mauboussin, Boucheron, Cartier, Col, Fred, Kirby-Beard, Charvet, Dunhill, etc.., but also for watch manufactures such as Rolex, L. Leroy & Cie., Oméga and Jaeger.