ROLEX SUBMARINER REF. 5513 "FEET-FIRST, NO SERIF", CIRCA 1971 Three-body tonneau Oyster stainless steel case, n. 2813962, bezel with black insert graduated up to 60 minutes, concave lugs, screw back stamped 5513 and marked III.70, Twinlock crown with guards. Rolex Oyster steel bracelet reference 93150, solid links, Flip-lock extensible clasp marked T3, end-link 580. Black dial, signed, luminescent circular, rectangular and triangular indexes, minute/second divisions, luminescent skeletonized hands, centered seconds. Self-winding caliber 1570, rhodium-plated, signed, 26 jewels, lever escapement, monometallic balance with inertia blocks adjusted for temperature and five positions, flat hairspring, shock-absorber. Diameter Ø: 40 mm Note: working. TAGS: watch - orologio