ROLEX AIR-KING “UNDERLINE” DIAL, REF. 1002

This particular Air-King features a silvered dial with alpha hands and an underline dial referring to the fact it has a small line above the 6 o'clock hour marker on the bottom of the dial. Many believe the underline is supposed to refer to the luminous material mixture change from radium to tritium. The inside of the case back is stamped I.63 indicating it is approximately from the first quarter of 1963. Rolex watches with underline dials are in great demand by collectors.