Rolex. A lady's 18K gold self-winding waterproof wristwatch with sweep center seconds, date and onyx dial

Rolex. A lady's 18K gold self-winding waterproof wristwatch with sweep center seconds, date and onyx dial
Signed Rolex, Oyster Perpetual, Datejust, Ref. 6917, circa 1977
With nickel-finished lever movement, 28 jewels, the black onyx dial with sweep center seconds, magnified window for date, the tonneau-shaped water-resistant-type case with fluted bezel, screw back and screw down crown, together with an 18K gold Rolex President bracelet and clasp, case, dial and movement signed
26 mm. diam.