Rolex Explorer guilloche dial ref 5506 Gold filled 1950 Movement Automatic cal. 1530 Case Gold filled case 40 micron with stainless steel screw back case. 33mm Dial Honeycomb dial with applied indexes and Rolex crown with luminous dots and hands. Features The original dial is preserved in excellent conditions, being extremely bright and crisp, the reference and serial number are partially worn out and readable using a loupe. Case, dial, movement signed.