ROLEX SUBMARINER REF. 5513, CIRCA 1989 Three body tonneau Oyster stainless steel case, n. L439840, black bezel with 60 minutes graduation for the decompression, concave lugs, screw back stamped 5512, Triplock crown with guards. Rolex Oyster steel bracelet reference 93150 and end-link 580, extensible flip-lock deployant marked N11. 
Signed black dial with Spyder effect, “Submariner 600ft=200m”, luminescent circular, rectangular and triangular indexes within "bicchierini", minute/second divisions. Luminescent skeletonized hands, centered seconds.
Signed self-winding movement, rhodium-plated caliber 1520, 25 jewels, lever escapement, monometallic balance with screws adjusted for temperature and five positions, Breguet hairspring, KIF shock-absorber.
Diameter Ø: 39 mm
Note: working.