Rolex Oyster 2574

A Rolex Oyster Imperial 18ct gold circular cased gentleman's wristwatch, Ref. 2574, circa 1935, the jewelled movement detailed 'Rolex Ultra Prima', the signed dial with applied gilt Arabic numerals and subsidiary seconds, the winding button detailed 'Oyster Patent', the case back with milled edge and numbered '36403' above '2574', import mark Glasgow 1936, case diameter 2.9cm, on a leather strap, together with a Japanese Rolex service certificate, stamped 'Osaka' and dated 'Dec.22.1978'.