Jaquet Droz Introduces the Grande Seconde Skelet-One Plasma Ceramic
A contemporary take on the brand’s iconic watch – itself based on a 18th century pocket watch – the Jaquet Droz Grande Seconde Skelet-One Plasma Ceramic is a sleek and modern open-worked wristwatch, now in a new, high-tech case material. Originally available in ordinary ceramic, the watch has now been given a case of “plasma ceramic”, an unusual material that’s best described as a ceramic that resembles metal. The material begins are white ceramic that’s treated with a plasma gas, essentially ionised gas created at 20,000°C. The process of plasma carburising transforms the surface layer of the white ceramic into a metal oxide, giving the ceramic a grey, metallic finish while retaining all of the desirable properties of ceramic including hardness, low density and scratch resistance. Though plasma ceramic has been a hallmark of the Swatch Group and its many brands, including Rado, Omega and Blancpain, it is being used for the first time by Jaquet Droz. The case measures 41.5 mm across and 12.48 mm high, making it a tad larger than its gold counterparts, which is typically the case for ceramic cases due to the necessities of construction in an ultra-hard, but potentially brittle, material. Unusually for ceramic that is typically mirror-polished all round, the case is finished with contrasting surfaces – the bezel and top surfaces of the lugs are brushed while the case band has a polished finish. A clear sapphire disc forms the Grande Seconde dial, wit...
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