Rolex Oyster Perpetual 3131

Rolex Bubble Back

A rare vintage wristwatch with tropical dial and centre seconds, so called "Big Bubble Back" - CHRONOMETER , specific features Case 14 K rose gold · screw back with marking 3131 · screwed "Rolex Oyster Plus" winding crown. Very good, worn. Dial Silvered, applied gold indexes / Arabic gold numerals, gold leaf hands without luminous material. Very good, oxydized. Movement Automatic. Very good, capable of running, cleaning needed. Movm no. 38332 Case no. 472649 Ref. 3131 Cal. Hunter Diam. 33 mm Circa 1959 Ctry. Switzerland