The Squale Matic S Two-Tone Mosaic Rubber MATICGBKBK.MRBK is a professional-grade dive watch featuring a 39.5mm 316L stainless steel case with brushed and polished finishes. It is powered by the automatic Sellita SW 200-1 movement, offering a 38-hour power reserve. The watch includes a sunray black dial with applied indices, a unidirectional enameled steel bezel, and a domed sapphire crystal with anti-reflective coating. It is water-resistant up to 600 meters and comes with a black mosaic-textured rubber strap. Reference number: MATICGBKBK.MRBK.