GOLD ROLEX DATEJUST REF. 6917, CIRCA 1978 Three body tonneau Oyster 18K gold case, n. 5143404, fluted bezel, concave lugs, screw back stamped 6917, concave lugs, Twinlock crown, acrylic glass with cyclops lens. Riveted 18K gold Rolex Oyster bracelet with end-links stamped 66, deployant clasp. 
Black dial signed, crown logo at 12, gilt painted Roman hour numerals, outer minutes track, aperture for the date. Luminous bâton hands, centered seconds. 
Signed self-winding movement, rhodium-plated caliber 2030, n. 37802, 28 jewels, lever escapement, monometallic balance regulated in five positions and for temperature, flat hairspring, KIF shock-absorber, hack-mechanism.
Diameter Ø: 26 mm
Note: working.