The Watchwinder Prismo is equipped with a special clamp with spring tension for large sports watches. The wrist circumference of the watch should be at least 18 cm. The design of the device is worked with an elegant piano lacquer finish in the high-gloss design. The Interior is decorated in noble carbon look. The watch winder for storing in the vault is suitable due to the compact form without windshield. AUSSTATTUNG-for exterior 3 watches: timeless elegant piano lacquer finish in luxurious glossy finish Black Interior: matching control designed in fine carbon look-pure manual work, with up to 20 individual paint layers, hochglanzpoliert-: 4 Very low-noise operation thanks to selectable programmes for all commercially available automatic watches including sleep phase function driveline control high-quality Japanese on the back of the Gerätes-of professional clamp with spring tension for large Sport Watches perfectly suitable wrist circumference should be technical data at least 18 cm weight: approx. 3 kg dimensions: approx. H 11.5 x B 31.5 x T 20,5 cm power plants incl. power supply 3V LIEFERUMFANG-Uhrenbeweger-power supply without clock and decorations