1977 Rolex Vintage Datejust with Black Sigma Dial

Ref. 1601
Circa 5.0mil 
Paper -✅
Box -✅
Calibre - 1570 automatic with Hacking non quickset
Power Reserve - 42 hours
Condition:
The 36mm middle case is in Mint Condition,
The black dial with Sigma logo has a Matt finishing with light Patina and matching colour hands.