A distillation of technology inside an extraordinary watch, the ocean star 600 is designed for exploring the depths. 43. 5mm black stainless steel case with a black rotating ceramic bezel filled with super-luminova® grade x black dial with super-luminova® hands and markers sapphire crystal with double-sided anti-reflection treatment power reserve up to 80 hours black stainless steel bracelet with folding clasp fitted with a helium valve 600-meter water resistance certified by the contrôle officiel suisse des chronomètres (cosc)