Much like Vacheron Constantin and Patek Philippe, Blancpain has an entire division dedicated to rare crafts (or Metiers D’Arts) that regularly works with engraving, enameling, and other unique and antiquated forms. Most notably though, not long after the Biver/Piguet acquisition it was decided that the brand would foray into the world of erotic watches with a series of unique automata minute repeaters.
Arnold & Son
A. Lange & Söhne is a trademark of Lange Uhren GmbH, a German manufacturer of luxury and prestige watches. The company was originally founded by Ferdinand Adolph Lange in Glashütte, Germany in 1845.
Montres Corum Sàrl, commonly referred to as Corum, is a Swiss watchmaker based in La Chaux-de-Fonds, Canton of Neuchâtel. Founded in 1955, it makes high-quality and high-price watches, many of which are limited editions. The benchmark watch series for Corum is its “Admiral’s Cup” series.