Year of Manufacture: circa 1978
(But it's somehow readable
It also still has all 13 bracelet links
Date changes properly around midnight
000 bph / 36mm case (excluding crown) / 20mm lug
c1970 Serviced w/Paper ROLEX Vintage DateJust 1601 Two-Tone 36mm cal.1570 #1597 Year of Manufacture: circa 1978Condition Rank : Very Good (Full serviced on July 16, 2026) [Description of services] Full disassembly, cleaning, inspection, lubrication, and assembly. [Originality Verified] Authentic Original The watch is judged to be original and period correct in its main configuration. Case and caseback, dial, movement, hands, bezel, and crown are considered original, and the period consistency is good. [Features] Ref. 1601 cal. 1570 (no hack) 19,800 bph 36mm