Rolex. A fine stainless steel and 18K gold automatic calendar...

Rolex. A fine stainless steel and 18K gold automatic calendar wristwatch
Rolex. Belle montre bracelet en or jaune 18K (750) et acier avec date mouvement automatique
Model: Datejust
Reference: 1601
Date: Circa 1977
Movement: 26-jewel Cal.1570 automatic, adjusted to 5 positions and temperature, No.D192789
Dial: Sunburst champagne, applied black and gilt baton hour markers with luminous dots, black outer second divisions, magnified date aperture at 3, gilt polished baton hands with luminous inserts, centre seconds
Case: Brushed and polished tonneau form, screw down back and crown, 18K gold fluted bezel, No.5023881
Strap/Bracelet: Brown alligator leather
Buckle/Clasp: Gold plated buckle
Signed: Case, dial & movement
Size: 36mm
Weight: 54,50g