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The Encyclopedia of Horology

Wristwatch · Chronograph

Rolex Anti-Magnetic Chronograph 'Pre-Daytona' Reference 6234

Partially verified

The Rolex reference 6234 is a mechanical wristwatch featuring a manual-wind Valjoux 72B chronograph movement. Marketed by collectors as the "Pre-Daytona," the watch is characterized by a 36mm stainless steel Oyster case, a sterile bezel, and a screw-down crown and case back. The dial exhibits a three-register layout with integrated telemeter and tachymeter scales, including the "Anti-Magnetic" designation. According to the source, this specific example features blued steel sub-dial hands, a detail identified as appearing in the final stages of the model's production cycle. The watch is fitted with an integrated stainless steel link bracelet. The object is presented as an example of Rolex's chronograph design transition prior to the introduction of the Daytona line, maintaining a classical aesthetic focused on technical timekeeping rather than the later sports-oriented branding that defined subsequent references in the brand's chronograph history.

Rolex reference 6234 chronograph shown with a stainless steel bracelet on the wrist.
Rolex reference 6234 chronograph shown with a stainless steel bracelet on the wrist. — Zamanito. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
zamanito.com
Category
Wristwatch · Chronograph
Maker / attribution
Rolex
Reference
6234
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
Not established
Source-reported place
سوئیس

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 Dial Design

The watch is housed in a 36mm stainless steel Oyster case, a defining component of this reference that adheres to the design language of mid-century Rolex chronographs. The case features a smooth, sterile fixed bezel that focuses attention on the dial's detailed instrumentation. The dial itself is configured in a three-register layout, displaying auxiliary time and elapsed interval data.

A prominent feature of this reference is the inclusion of mathematical scales, specifically telemeter and tachymeter, positioned on the dial periphery. The text "Anti-Magnetic" appears on the dial, signifying the movement's resistance properties. The sub-dials feature blued steel hands, a specific aesthetic variation attributed to the later production batches of the 6234 reference.

Evidence for this section
  • “قاب ساعت دارای قطر ۳۶ میلی‌متر و از جنس استیل ساخته شده است. این قاب به زه ساده و بدون نشانگر (sterile bezel)”
  • “صفحه ساعت چیدمان متوازنی از مقیاس‌های محاسباتی و شمارنده‌های کرنوگراف را ارائه می‌دهد”
  • “این نمونه یکی از معدود نسخه‌های شناخته‌شده با عقربه‌های فرعی از جنس استیل آبی‌کاری‌شده (blued steel) است که به اواخر دوره تولید این مدل نسبت داده می‌شود.”

Movement and Mechanical Features

This chronograph is powered by the Valjoux 72B manual-wind movement. The mechanism is a recognized component in the history of chronograph development, providing the necessary functionality for the three-register display.

The watch includes a screw-down case back and a screw-down crown, which are standard features for the Oyster case design, providing necessary protection for the internal mechanical movement. These elements contribute to the overall technical capability of the timepiece as a functional instrument for time measurement.

Evidence for this section
  • “در بخش فنی، این مدل از کالیبر نام‌آشنا و تحسین‌شده‌ی Valjoux 72B نیرو می‌گیرد.”

Historical Context

The reference 6234 serves as a technical predecessor to the Rolex Daytona series.

The source notes that the present example is described as maintaining the majority of its original features, though historical maintenance records or original accessories are absent from the current documentation.

Evidence for this section
  • “رفرنس 6234 به عنوان یک کرنوگراف ضد‌مغناطیس (Anti-Magnetic)، پیوندگاه مهمی میان کرنوگراف‌های کاربردی پیشین و نسل اسپرت بعدی رولکس محسوب می‌شود.”
  • “این مدل به دلیل برخورداری از استایل اصیل و مقیاس‌های تخصصی زمان‌سنجی، در تاریخچه ساعت‌های مکانیکی جایگاهی برجسته دارد”

Open research questions

  • What is the specific production date range for reference 6234 examples utilizing blued steel sub-dial hands?
  • Are there any identifiable case hallmarks that verify the original finish of the sterile bezel?

Source evidence

Recorded claims and source quotations for Rolex Anti-Magnetic Chronograph 'Pre-Daytona' Reference 6234
FieldSource-reported valueSource quotation
MakerRolex“برند: Rolex”
Reference6234“شماره رفرنس: 6234”
Case MaterialStainless steel“جنس قاب: استیل ضدزنگ”
Case Diameter36 mm“قطر قاب: ۳۶ میلی‌متر”
MovementValjoux 72B“کالیبر: Valjoux 72B”
BezelSterile“نوع بزل: استیل ساده (Sterile Bezel)”
Sub-dial handsBlued steel“عقربه‌های شمارنده فرعی: استیل آبی‌کاری‌شده (Blued Steel)”

Visible details

  • Tri-compax dial layout
  • Screw-down pushers and crown
  • Integrated tachymeter/telemeter scales on dial periphery
  • Metallic bracelet with folding clasp

Research qualifications

  • No documentation provided regarding service history or original paperwork
  • Exact production year within the model's life cycle is not specified

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

Consulted source

ساعت مچی کرنوگراف Rolex مدل Pre-Daytona رفرنس 6234

Reviewed 2026-11-02 · Record 646a3f1f1e

Terms in this record

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

Other chronograph records