The Squale 1521 Militaire Blasted Bracelet, reference 1521MILBL.SQ20S, is a professional dive watch featuring a 42mm blasted 316L stainless steel case with a thickness of 12.5mm and a lug-to-lug length of 48mm. It is powered by the Swiss automatic Sellita SW 200-1 movement, offering a 38-hour power reserve and operating at a frequency of 28,800 A/h (4 Hz). The watch includes a black dial with printed indexes and SuperLuminova C3 luminescence, a unidirectional aluminum bezel, and a flat anti-reflective sapphire crystal. It is water-resistant up to 500 meters and comes with a blasted stainless steel bracelet with a 20mm lug width and an 18mm buckle.