Rolex Vintage 6238 "Pre-Daytona" Stainless Steel Chronograph Grey Dial Circa 1963
Model: Chronograph "Pre-Daytona"
Reference Number: 6238
Movement: Manual Valjoux 72
Condition: Very good (some signs of wear due to age and use)
Time Period: 1963
Retail / Compare-At Price: n/a collector's item
Our Best Price: $39,950
Case Material: Stainless steel
Case Diameter: 36 mm
Thickness: 11 mm
Waterproof: 100 ft. / 30 m.
Water Resistance: 3 ATM
Material Bezel: Fixed stainless steel
Dial: Grey with printed black numeral tachymeter scale
Dial Numerals: Faceted steel baton hour indices with luminous dots around a perimeter minute/one-fifth second divisions scale around the outer rim, black Arabic numeral tachymeter scale printed around the outer rim
BRACELET / STRAP
Bracelet color: Stainless steel
Bracelet Material: Stainless steel Oyster (later series)
Clasp material: Stainless steel
Centre hour, minute and seconds hands, chronograph (centre hand) accurate to within 1/8 of a second, column wheel, chronograph sub-dials counters 60-second at 9 o'clock, 30-minute at 3 o’clock and 12-hour at 6 o’clock, tachymeter track, 48-hour power reserve
Brushed and polished round-shaped case, integrated lugs
White gold and luminous insert baton-shaped hours/minutes hands, black stick-shaped sub-dial hands, black arrow-shaped chronograph hand, faceted baton hour markers
Inner tachymeter scale (printed on the dial) as opposed to the first Daytona ref. 6239 (starting production 1963) and so on that world being displayed on the bezel
Stainless steel screw-down solid case back
Stainless steel screw-down chronograph pump pushers at 2 (start/stop) and 4 o'clock (reset)
Excellent -T SWISS T- grey chronograph original dial with all nicely aged creamy patina lume dots except for the 2,3 and 4 o'clock markers, which is common for these dials.
Stainless steel Twinlock waterproof screw-down crown with Rolex crown logo
This second series Rolex "Pre-Daytona" 6238 has a mechanical manual winding Valjoux 72 caliber 722 movement. It is rhodium-plated and it is constructed with 17 jewels, a straight-line lever escapement, a shock absorber device, and a monometallic balance that's adjusted to heat and three positions. It includes a self-compensating free sprung Bréguet balance spring and a Microstella regulating screws.
This mechanism oscillates at the frequency of 18,000 vph (2.5 Hz).
Case, dial and movement are signed.
This model was in production from 1961/62 to 1968 and succeeded the model 6234. At the same time, Rolex started the production of the first Daytona ref.6239 in 1963.
The 6238 is the last chronograph generation to feature a smooth bezel.
Limited edition of approximately 3,600 examples
Serial # 974***
Incomplete (no box, no papers)
This timepiece includes original payment receipt dated 1966 and service receipt dated 1991.
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