ROLEX OYSTER PERPETUAL SUBMARINER DATE REF. 1680, 1977 CIRCA

ROLEX OYSTER PERPETUAL SUBMARINER DATE REF. 1680, CIRCA 1977
Three body tonneau Oyster stainless steel case, signed, n. 5151274, bidirectional bezel with black insert graduated up to 60 minutes, concave lugs, screw back stamped 1680, 7mm Twinlock crown with guards, acrylic glass and cyclops lens. Rolex Oyster steel bracelet with solid links reference 93150, flip-lock extensible deployant marked VB, end-link 580.
Black dial, signed, MK II white writing, circular, rectangular and triangular indexes, minutes/seconds divisions, date indication. Luminescent skeletonized hands, centered seconds.
Signed self-winding movement, rhodium-plated caliber 1570 (1575), n. D430686, 26 jewels, lever escapement, monometallic balance with Microstella screws adjusted to five positions and for temperature, Breguet free-sprung hairspring, KIF shock-absorber, hack-mechanism.
Fitted with Rolex box 10.001, outer-box and booklet.
Diameter Ø: 40 mm
Note: working.