STAINLESS STEEL CASE, DIAMETER: 42 MM, HEIGHT: 13,5 MM, LUG-TO-LUG SIZE: 50,5 MM, DOUBLE DOMED AND ANTI-REFLECTIVE SAPPHIRE CRYSTAL, SCREWED CASE BACK WITH SCORPION RELIEF, PROTECTED AND SCREWED CROWN, UNIDIRECTIONAL ROTATING CERAMIC BEZEL, INDEXES WITH LUMINOUS MATERIAL SUPERLUMINOVA, WATERPROOF UP TO 30 ATM, 20 MM LUG WIDTH