Vintage Rolex Oyster Perpetual Explorer Model 1016 mens wristwatch, circa 1963, serial number 901123. Black dial with luminous cream colored numbers, markers and hands, acrylic crystal, "Frog Foot Coronet" logo, and a stainless steel USA made Cromwell Industries 11-link fold over oyster bracelet, clasp with a 1970 date code. Reinforced Oyster waterproof case and self wound perpetual movement. Watch retains the original green wooden box, tags, 1963 purchase receipt and certificates. Approx. 6 1/2" interior circumference. CONDITION: Watch is in working order. Some looseness noted to movement during winding. Clasp is not original to the watch. Watch crystal and bracelet are heavily scratched. Minor pitting noted to hands. Prior service history unknown.