Main characteristics
· OYSTER case
· Calibrated metal bezel (1st, 2nd & 3rd generation)
· Domed plexiglas crystal model TROPIC 21
· Printing on dial:
- 'ROLEX COSMOGRAPH'
- 'DAYTONA' (Not always present)
· Pump push-down buttons
· OYSTER TWINLOCK 600 series winding crown
· VALJOUX Movement:
- Caliber 72B from 1963 to 1965 aprox.
- Caliber 722 from 1965 to 1967 aprox.
- Caliber 722-1 during last production
CHARACTERISTICS
Produced from 1963 to 1969. In Europe, it started being produced in 1964.
First Rolex Daytona to have the tachymeter insert in the bezel.
Produced in stainless steel, 14kt and 18kt gold.
Around 13,700 stainless steel pieces were made and only around 300 units were made in gold.
922.900 is the serial number of the first known Daytona.
Realised in both standard two-tone and Paul Newman dials.
Only around 2,000 to 3,000 units were produced with a Paul Newman dial.
The DAYTONA printing signature, inserted around 1965, was introduced in the dial to celebrate Rolex’s historic sponsorship of Nascar stock car race in Daytona Beach.
Initially positioned on the top, at 12 o’clock position under the COSMOGRAPH signature, and then later found above the hour totalizer from the second half of the 1960’s on.
The reference 6239 was bearing an OYSTER case.
Pump push-down buttons in chromed metal, model 24-P3.
OYSTER TWINLOCK 600 series winding crown in ridged metal with raised underlined Rolex logo.
Domed plexiglas crystal, model TROPIC 21.
Metal hands covered in white on black background and burnished metal on white background.
The first series have a symmetrical tonneau shape case with a flat and polished case-back.
From 1966 on, the reference 6239 is produced with a convex tonneau shape case with a flat and satin-brushed case-back.
Upper lug (12 o'clock) ---> REGISTERED DESIGN
6239
Lower lug (6 o'clock)---> Serial number