Rolex Oyster Cosmograph Model 6242
The 6240 mode was launched in 1965. This watch introduced screw-down waterproof pushers, and carried the word Oyster on the dial. The watch was depth-rated to 50 meters (165 feet). This model had a small winder and O T Swiss T O, ad the bottom of the dial. It was available with either the standard or exotic dial.
Period:
Mid 1960s
Movement:
727
Bracelet:
19mm – folded construction
Rolex Oyster Cosmograph Model 6265
In 1971 the 6265 model replaced the 6264 mode. This mode had a large winding crown and waterproof pushers. The watch was available with either the standard or exotic dial.
Period:
Early 1970s
Movement:
727
Bracelet:
19mm – folded construction
Rolex Daytona Cosmograph Model 6264
In the mid 1960s the 6264 model replaced the 6241 model. The was available with either the standard or exotic dial.
Period:
Mid 1960s
Movement:
727
Bracelet:
19mm – folded construction
Rolex Daytona Cosmograph Model 6262
In the mid 1960s the 6262 model replaced the 6239 model. The watch was available with either the standard or exotic dial.
Period:
Mid 1960s
Movement:
727
Bracelet:
19mm – folded construction
Rolex Oyster Perpertual Explorer 6610
The second version of the 6610 model had Explorer printed on the upper half of the dial and a depth rating was printed below it. At this stage all sprots models had the Mercedes hands fitted.
Period:
Mid 1950s
Movement:
1030
Bracelet:
20mm – rivetted construction
Rolex Oyster Perpertual Explorer 6610
On the third version, there was no depth rating printed on the dial. On all sports models from this period the seconds hand was painted white.
Period:
Mid 1950s
Movement:
1030
Bracelet:
20mm – rivetted construction
Rolex Oyster Perpetual GMT Master Model 1675
During the early 1960s, the color of the printed lettering on the GMT-Master was changed from gold to white.
This was carried out gradually and many watches are seen with both colours printed on the dial. Often, as here, the minute track is printed in gold whilst the rest of the printing is in white. At this stage the numerals printed on the date disk were black.
Period:
Mid 1960s
Movement:
1565
Bracelet:
20mm – rivetted construction
Rolex Oyster Perpetual GMT Master Model 1675
The fourth 1675 version had an all white print dial.
Period:
Mid 1960s
Movement:
1575
Bracelet:
20mm – rivetted construction
