1970’ Grey 1601 Rolex Datejust

Vintage Datejust with Piepan Slate grey dial 
Ref.1601,
Circa 1970 serial 3.0 mil
Paper ❎
Box ❎
Bracelet: 6251Jubilee/ FF55 Endlink 
                  Big logo Clasp '70
Dial: T Swiss T Tritium, Cream gloss white finish
Movement: 1570 Automatic Hacking, 40 hrs Power reserve 
Condition:
36mm middle case appear to be non polish,
bracelet is tight and big logo clasp in overall top condition!