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The Encyclopedia of Horology

Tool · Dashboard stopwatch

Heuer Monte Carlo Rally Dashboard Stopwatch

Partially verified

This Heuer Monte Carlo is a dashboard-mounted rally stopwatch designed for timing during automotive racing. It features a black case and mounting plate constructed from lightweight pressed plastic, measuring 6 by 6 cm, with integrated screw holes for dashboard installation. The instrument includes a rotating bezel with a tachymeter scale marked 60 to 300. The black dial presents Arabic numerals, central hands for timing, and a jumping digital hour display window located at the 6 o'clock position, which records elapsed time up to 12 hours. The mechanism is identified by the source as an 'Ankerwerk' lever movement, caliber 7714. The watch is operated via a top crown and a secondary pusher. This specimen is presented as a complete set, including its original cardboard box with a checkered motif and a factory instruction manual. The source reports the device is operational, though accuracy remains untested.

The Heuer Monte Carlo dashboard stopwatch, complete with its original checkered box and instruction manual.
The Heuer Monte Carlo dashboard stopwatch, complete with its original checkered box and instruction manual. — Sammler-Uhren. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
zamanito.com
Category
Tool · Dashboard stopwatch
Maker / attribution
Heuer
Reference
542.817047
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
Not established
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 Dial

The housing consists of a lightweight black molded plastic body integrated with a square mounting plate designed for dashboard installation. This plate features four corners with circular apertures for securing the device to a vehicle interior. A rotating bezel surrounds the crystal, calibrated with a tachymeter scale ranging from 60 to 300 units per hour.

The dial is black with Arabic numerals corresponding to the standard 60-second graduation. It features a central hand system for the stopwatch functions and a jumping hour display window located at the 6 o'clock position. The source notes that this digital display is designed to record up to 12 hours of elapsed time.

Evidence for this section
  • “بدنه این کرونوگراف به همراه پایه نگهدارنده مستطیلی با ابعاد ۶ در ۶ سانتی‌متر از جنس پلاستیک فشرده و سبک مشکی‌رنگ ساخته شده”
  • “این مدل مجهز به زه چرخان با درجه‌بندی تاکی‌متر (۶۰ تا ۳۰۰) بوده و صفحه مشکی آن دارای ارقام عربی خوانا”

Mechanism and Operation

The stopwatch is powered by a lever-style caliber 7714 movement. This mechanical caliber enables the stopwatch functions, which are controlled by a top-mounted crown and a secondary side pusher. These controls allow for the starting, stopping, and resetting of the timing functions.

According to the source, the device is functional. However, because it is an instrument intended for rally use, it is noted that the specific accuracy of the movement has not been verified through laboratory testing. The design specifically includes a jumping disk mechanism to track hours, which differentiates it from standard stopwatches.

Evidence for this section
  • “موتور به‌کاررفته در این زمان‌سنج یک موتور اهرمی دقیق با کالیبر 7714 است”
  • “تاج کوک و دکمه کناری برای فعال‌سازی و صفر کردن عملکرد زمان‌سنجی طراحی شده‌اند”

Provenance and Accessories

The object is sold as a complete set, which includes the original packaging and documentation. The box is constructed from cardboard and features a distinct checkered pattern associated with rally sports. Additionally, a factory-issued instruction manual is included in the set, detailing the intended use of the instrument in cars, boats, and aircraft.

The exterior of the packaging displays the Heuer brand markings and the specific model reference 542.817047. The item is identified as originating from Switzerland, consistent with the markings found on the dial and in the included manual.

Evidence for this section
  • “مجموعه به‌صورت ست کامل (Full set) به همراه جعبه اصلی مقوایی با طرح شطرنجی و دفترچه راهنمای فابریک ارائه می‌شود”
  • “شماره مرجع ثبت‌شده روی جعبه Ref. 542.817047 است”

Open research questions

  • What is the specific production year range for the Heuer Monte Carlo caliber 7714 variant?
  • Are there recorded variations in the plastic case texture for different production batches of the 542.817047 reference?

Source evidence

Recorded claims and source quotations for Heuer Monte Carlo Rally Dashboard Stopwatch
FieldSource-reported valueSource quotation
MakerHeuer“سازنده: Heuer”
Reference542.817047“Ref. 542.817047”
Caliber7714“کالیبر موتور: کالیبر 7714”
Case dimensions6 x 6 cm“ابعاد بدنه: ۶ × ۶ سانتی‌متر”
Case materialLightweight plastic“جنس بدنه و پایه: پلاستیک سبک”
Tachymeter range60-300“زه (بزل): زه چرخان با مقیاس تاکی‌متر ۶۰ تا ۳۰۰”
FunctionalityOperational (untested)“وضعیت کارکرد: کار می‌کند (دقت اندازه‌گیری آزمایش نشده، طبق منبع)”

Visible details

  • Rotating bezel with tachymeter scale
  • Jumping 12-hour recording window at 6 o'clock
  • Black square mounting plate with screw holes
  • Original checkered patterned cardboard box

Research qualifications

  • Accuracy of the timekeeping mechanism has not been tested
  • Specific production date not provided by source

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

Consulted source

Heuer Monte Carlo 60-300 Rallye Stoppuhr Fullset Ovp Bedienungsanleitung

Reviewed 2026-11-02 · Record 4f17775e68

Terms in this record

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