Rolex. A Fine Stainless Steel Automatic Wristwatch with Center Seconds
Signed Rolex, Oyster Perpetual, 200m=660ft, Submariner, Ref. 5513, Case No. 1'467'732, Circa 1966
Cal. 1520 automatic movement, 26 jewels, black gloss dial, luminous dot, baton and dagger numerals, luminous Mercedes-style hands, center seconds, tonneau-shaped water-resistant-type case, revolving bezel calibrated for 60 units, screw down crown, screw back, case, dial and movement signed
Amongst collectors, the present model is affectionately called the Bart Simpson because of the form of the Rolex crown. Its particular shape, especially the straight tips, resemble the head of the famous cartoon character.
Reference 5513 was launched in 1962, depth rated to 200 meters (660ft), fitted with the 8 mm. crown, crown guards, the bezel with minute divisions for the first fifteen minutes and silver triangle, black dials with gilt printing. As of 1964, the designation "Swiss T<25" was added to the bottom of the dial.