ROLEX REF. 1601 DATEJUST YELLOW GOLD Rolex, "Oyster Perpetual Datejust, Superlative Chronometer, Officially Certified", Case no. 2831894, Ref. 1601. Made in 1971. Fine, center seconds, self-winding, water-resistant, 18K yellow gold wristwatch with date with an 18k yellow gold Rolex Jubile bracelet. Dial, case and movement signed. Notes DIAM. 36 mm. THICKNESS 12 mm. Approx. overall length 160 mm.