Rolex Oyster Perpetual 5011

Rolex, Oyster Perpetual Bubble Back, ref. 5011, a 14 carat gold wrist watch, no. 641512, circa 1948, automatic movement, no. N74780, cream dial, applied Arabic numerals and dagger markers with luminous tips, luminous Alpha hands, centre seconds hand, screw down crown, screw down bubble back, case, dial and movement signed, on an unsigned brown leather strap with a Rolex gold buckle, diameter 30mm