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Rolex

Chronograph, 1963

Cosmograph

Ref. 6239

37mm
Diameter
48h
Power reserve

The first Cosmograph, hand-wound on a Valjoux base, designed for endurance racing. One example with a Paul Newman dial, the actor's own, sold in 2017 for $17.75 million at Phillips.

Price not verified yet

We only publish a price with a source and a date.

Diameter
37 mm
Power reserve
48 h
Movement
Hand-wound
Material
steel

Specifications

Case

Diameter
37 mm
Thickness
Not confirmed
Material
steel
Shape
round
Water resistance
Not confirmed

Movement

Movement
Hand-wound
Calibre
722
Power reserve
48 h
Frequency
18,000 vph
Jewels
17
Complications
hours, minutes, small seconds, chronograph

Dial and strap

Dial
white
Markers
batons
Date
No
Bezel
tachymeter, steel
Strap
bracelet, steel

Record

Line
Cosmograph Daytona
Year
1963
Status
Discontinued
Range
Luxury

Alternatives

Why it matters

Sources

  1. monochrome-watches.com
  2. fratellowatches.com
  3. en.wikipedia.org

Record confidence: medium. Anything unverified stays marked, never estimated.