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The Encyclopedia of Horology

Wristwatch · Chronograph

Rolex Daytona Reference 6263

Partially verified

This manual-winding Rolex Daytona, reference 6263, dates to approximately 1974. The watch features a 37mm steel case equipped with screw-down pushers and a matching crown. It incorporates a black bezel assembly with a MK1 acrylic insert. The matte black dial is configured with three concentric silver subsidiary registers, creating a reverse-panda appearance. Notably, the dial displays the 'Sigma' designation flanking the 'T Swiss T' signature at the 6 o'clock position. The timepiece is powered by a modified Valjoux Calibre 72 movement. The watch is presented on a period-correct Oyster bracelet with a signed blade clasp. The case shows evidence of light polishing while maintaining its original proportions. The dial retains Tritium hour plots with an even patina, and the hands are original to the piece. It is currently in the inventory of Oliver & Clarke.

Rolex Daytona Reference 6263 with matte black 'Sigma' dial.
Rolex Daytona Reference 6263 with matte black 'Sigma' dial. — Oliver & Clarke. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.oliverandclarke.com
Category
Wristwatch · Chronograph
Maker / attribution
Rolex
Reference
6263
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
circa 1974
Source-reported place
Switzerland

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and External Features

The watch is housed in a 37mm stainless steel case. According to the provided description, the case has undergone light polishing that retains the proportions of the original metal work. The watch features the characteristic screw-down pushers and winding crown, which are identified as MK2 units.

The bezel is fitted with a black acrylic insert identified as the MK1 configuration. The components are reported to show standard signs of wear consistent with the age and condition of the case.

Evidence for this section
  • “The 37mm case shows signs of having been very lightly, yet tastefully previously polished”
  • “The correct bezel assembly houses a correct 'MK1' black acrylic insert”
  • “The screw-down pushers are correct 'MK2' units and of course have a screw-down crown between them.”

Dial and Hands

The dial is a matte black version featuring three silver concentric subsidiary registers. At the 6 o'clock position, the dial displays the 'Sigma' notation, signifying the use of gold indices. The Tritium luminous plots are present at the hour markers and show an even patina.

The handset matches the patina of the dial's luminous elements. The dial surface is reported to be clean with minimal signs of aging.

Evidence for this section
  • “the matte black dial features a pair of 'Sigmas' flanking the Tritium text at the 6 o'clock position”
  • “minimal aging within the 'concentric' silver subsidiary registers”
  • “The Tritium plots exhibit a light and even patina throughout”

Movement and Bracelet

The timepiece is powered by a manually-wound chronograph movement, specifically a modified version of the Valjoux Calibre 72.

The watch is attached to a period-correct stainless steel Oyster bracelet. This bracelet includes a deployant clasp featuring a signed blade.

Evidence for this section
  • “all previous Rolex chronographs had been manually-wound, and anything with "Daytona" on the dial, powered by a modified version of Valjoux's highly respected and now very desirable, Calibre 72.”
  • “this piece comes fitted to a period-correct Oyster bracelet with a signed blade clasp.”

Open research questions

  • What is the specific serial number to confirm the 1974 production period?
  • Does the caseback internal stamping confirm the reference 6263 and the date?

Source evidence

Recorded claims and source quotations for Rolex Daytona Reference 6263
FieldSource-reported valueSource quotation
MakerRolex“The Rolex Daytona model”
Reference6263“The piece that we have here, a Reference 6263”
Datecirca 1974“dates to circa 1974”
Case Size37mm“The 37mm case”
MovementModified Valjoux Calibre 72“powered by a modified version of Valjoux's highly respected and now very desirable, Calibre 72.”
Bezel InsertMK1 acrylic“correct 'MK1' black acrylic insert”
PushersMK2“The screw-down pushers are correct 'MK2' units”
BraceletOyster“fitted to a period-correct Oyster bracelet”

Visible details

  • Matte black dial with three silver subsidiary registers.
  • Sigma symbols present at the bottom of the dial.
  • Screw-down pushers and crown.
  • Black bezel with tachymetric scale.

Research qualifications

  • The exact production date is approximate ('circa 1974').
  • Polishing history is stated as 'lightly, yet tastefully previously polished'.

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

ساعت مچی Rolex Daytona رفرنس 6263 با صفحه Matte Black 'Sigma'

Reviewed 2026-11-02 · Record db406f6b67

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Glossary explanations for terms named in this object’s record.

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