ROLEX REF. 5513 SUBMARINER STEEL
Rolex, Oyster Perpetual, Submariner, 660 ft = 200 m, case No.
6163813, Ref. 5513. Made in 1979.
Fine, center seconds, self-winding, water-resistant, stainless
steel diver's wristwatch with a Rolex stainless steel bracelet.
Three-body, polished and brushed, screw-down case
back and crown, graduated bi-directional revolving black
bezel for the decompression times, Triplock winding- crown
protected by the crown guard.
Black with luminous round, triangular and baton indexes,
outer minute division. Luminous steel skeleton hands.
Cal. 1520, rhodium-plated, 26 jewels, straight-line
lever escapement, monometallic balance, shock absorber,
self-compensating flat balance spring, hack mechanism.