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A submersible watch made with carbon fiber with water-resistance up to 300 metres

News International-French

2 Feb 2015

Officine Panerai, an Italian watchmaker, introduce the Luminor Submersible 150 Carbotech 3 Days Automatic whose case is made of Carbotech, a composite material based on carbon fibre.

While the technology of the material looks to the future, every detail of the design of the watch is faithfully inspired by the history of the brand. The Luminor 1950 case (47 mm in diameter), developed by Panerai in the late 1940s to be worn on the wrists of commandos of the Italian Navy, is enhanced by a rotating bezel with markers consisting of small studs, inspired by the model created by Panerai for the Egyptian Navy in 1956. The bezel rotates only anticlockwise and enables the time of immersion to be calculated: a useful function for a professional underwater instrument which is tested for water-resistance up to 30 bar (about 300 metres).

The Carbotech is a composite material based on carbon fibre, never before used in the world of watchmaking. As well as providing technical performance, Carbotech has a matt black appearance, which varies according the cutting of the material: the result is that each example is unique. The structure of Carbotech is designed to enhance both the aesthetics and the performance of the material, which is used to make the case, the rotating bezel and the lever bridge which protects the winding crown.

To form the plates of Carbotech from which these components are made, thin sheets of carbon fibres are compressed at a controlled temperature under high pressure together with a high-end polymer, PEEK (Polyether Ether Ketone), which binds the composite material, making it even stronger and more durable. With this structure, the mechanical properties of Carbotech are much higher than those of similar materials or of other materials used in the world of watchmaking, such as ceramics and titanium: Carbotech is lighter than these and more resistant to external solicitations, as well as being hypoallergenic and not subject to corrosion.

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