1976´Vintage Rolex Datejust 1603

Vintage Datejust with Piepan blue Sigma dial 
Ref.1601
Circa 1976
serial 3.9mil
Paper ✅
Box ❎
Bracelet: 62510Jubilee/ FF555
Dial: T Swiss T Tritium
Movement: 1570 Automatic Hacking, 40 hrs Power reserve 

Condition:
36mm middle case appear to be non polish! Dial with light patina,
bracelet is tight and overall top condition!