ROLEX. A MID-SIZE 18K GOLD AUTOMATIC WRISTWATCH WITH RARE BLUE DIAL Model: Oyster Perpetual Reference: 6548 Date: Circa 1960 Movement: 26-jewel Cal.1130 automatic, adjusted to 5 positions and temperature, No.52637 Dial: Sunburst blue, applied gilt dart hour markers, gilt outer minute divisions with luminous dot 5 minute markers, gilt lance hands with luminous inserts, centre seconds Case: Brushed and polished tonneau form, screw down back and crown, No.rubbed Strap/Bracelet: Black crocodile leather Buckle/Clasp: Plated buckle Signed: Case, dial & movement Size: 30mm - Weight:30,0gr