BRAND ROLEX MODEL (WATCH) DAYTONA 6 REVERSE REFERENCE NUMBER 16520 WINDING AUTOMATIC CASE MATERIAL STEEL STRAP MATERIAL STEEL YEAR OF PRODUCTION 1991 EXCELLENT CONDITION ORIGINAL DOCUMENTS, NO BOX WINDING AUTOMATIC ZENITH EL PRIMERO MOVEMENT 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 ONE YEAR SHOP WARRANTY