BRAND ROLEX MODEL (WATCH) DAYTONA REFERENCE NUMBER 16520 WINDING AUTOMATIC CASE MATERIAL STEEL STRAP MATERIAL STEEL SERIAL L2 NO ORIGINAL DOCUMENTS, NO BOX BASE CALIBER ZENITH EL PRIMERO CASE MATERIAL STEEL DIAMETER 40 MM WATERPROOF 10 ATM BEZEL MATERIAL STEEL GLASS SAPPHIRE GLASS DIAL BLACK NUMBERS ON THE DIAL WITHOUT NUMBERS STRAP STRAP MATERIAL STEEL STRAP COLOR STEEL FOLDING CLASP CLASP MATERIAL STEEL FUNCTIONS CHRONOGRAPH