TOP--- ROLEX REF. 1601 DATEJUST YELLOW GOLD Rolex, "Oyster Perpetual Datejust, Superlative Chronometer, Officially Certified," Ref. 1601. Made in the 1970s. Fine, center seconds, self-winding, water-resistant, yellow gold Chronometer wristwatch with date and an 18K yellow gold Rolex Oyster bracelet with deployant clasp.