Ref. 5513, Gilt Dial, Meter First Rolex, “Oyster Perpetual, 200m./660ft., Submariner”, case No. 1333667, Ref. 5513. Made in 1966. Fine, water-resistant, center seconds, self-winding, stainless steel wristwatch. Three-body, polished and brushed, screw-down case back and crown, graduated bi-directional revolving black bezel for the decompression times, Twinlock winding crown protected by the crown guard. Black with luminous round, baton and triangular indexes, outer gilt minute division. Luminous steel skeleton hands. Cal. 1520, rhodium-plated, oeil-de-perdrix decoration, 26 jewels, straightline lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 14 mm.