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The Encyclopedia of Horology

Wristwatch · Dress watch

Omega Chronometer reference 2374/5

Partially verified

This Omega wristwatch, identified by reference number 2374/5, is a dress watch featuring a 34 mm stainless steel case with distinct lugs. The watch operates on a Calibre 30.10 automatic movement, which utilizes a bumper rotor system that oscillates between two springs rather than rotating 360 degrees. The dial is a two-tone silver finish, incorporating a vertically brushed center and a polished outer track, and is devoid of luminous material. It displays applied rose-gold hour indices, the Omega logo, and a subsidiary seconds dial at the six o'clock position. The watch is presented on a leather strap. According to the source, the steel case remains in condition, and the movement has been inspected and adjusted by the dealer's horologist. The authenticity and condition details are provided by the source.

View of the Omega Chronometer reference 2374/5 showing the silver two-tone dial, applied rose gold indices, and subsidiary seconds dial.
View of the Omega Chronometer reference 2374/5 showing the silver two-tone dial, applied rose gold indices, and subsidiary seconds dial. — Zamanito / Bulang & Sons. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
zamanito.com
Category
Wristwatch · Dress watch
Maker / attribution
Omega
Reference
2374/5
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
circa 1940s
Source-reported place
Switzerland
Source-reported serial
102xxxxx

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 watch features a 34 mm diameter case constructed from stainless steel. The design includes distinct, prominent lugs. The case housing provides a frame for the two-tone silver-colored dial, which is constructed without luminous material.

The dial layout includes a polished outer edge contrasting with a vertically brushed center section. Applied indices and the Omega logo are rendered in rose gold. A subsidiary seconds indicator is situated in the lower half of the dial, positioned at the 6 o'clock mark.

Evidence for this section
  • “بدنه این اثر از جنس فولاد ضدزنگ با قطر ۳۴ میلی‌متر ساخته شده و از لِگ‌های با طراحی چشم‌گیر بهره می‌برد”
  • “بخش بیرونی صفحه دارای جلای براق (Polished) بوده و بخش مرکزی آن با پرداخت برس‌خورده عمودی مزین شده است”
  • “نشانگرهای ساعت و لوگوی امگا به صورت برجسته و از جنس رزگلد کار شده‌اند”

Movement

Power is provided by the calibre 30.10 automatic movement, which features a bumper-style winding mechanism. In this system, the rotor oscillates between two limiting springs rather than performing a full 360-degree rotation. The movement is finished with rose gold plating.

The movement is identified as a chronometer-rated caliber. The serial number recorded as 102xxxxx indicates that the movement was produced during the mid-1940s.

Evidence for this section
  • “نیروی محرکه این ساعت توسط کالیبر اتوماتیک ضربه‌ای (Bumper) با کد 30.10 تأمین می‌شود”
  • “شماره سریال موتور (102xxxxx) نشان‌دهنده تولید آن در اواسط دهه ۱۹۴۰ میلادی است”
  • “در این سامانه، روتور کوک‌کننده به جای چرخش کامل ۳۶۰ درجه، بین دو فنر مهارکننده به جلو و عقب حرکت می‌کند”

Maintenance and Provenance

The stainless steel case is described as being in a positive condition. The internal mechanism has undergone an inspection and adjustment process conducted by the collection's horologist.

The watch is supplied with a branded leather strap and a handcrafted leather carry case. No records detailing historical part replacements were provided by the source.

Evidence for this section
  • “قاب فولادی ساعت در وضعیت بسیار مطلوبی قرار دارد و موتور آن توسط ساعت‌ساز مجموعه به‌طور کامل بررسی و تنظیم شده است”
  • “ساعت به همراه بند چرمی برند بولنگ اند سانز (Bulang and Sons) و یک کیف چرمی دست‌ساز ارائه می‌شود”
  • “جزئیات دیگری از قبیل تعویض احتمالی برخی قطعات در گذشته در متن منبع ذکر نشده است”

Open research questions

  • What specific components of the calibre 30.10 movement correspond to the 102xxxxx serial range?
  • Are there archival records confirming the reference 2374/5 serial production run in the 1940s?

Source evidence

Recorded claims and source quotations for Omega Chronometer reference 2374/5
FieldSource-reported valueSource quotation
Reference2374/5“شماره رفرنس 2374/5”
Calibre30.10“کالیبر اتوماتیک ضربه‌ای (Bumper) با کد 30.10”
Case Diameter34 mm“قطر ۳۴ میلی‌متر”
Case MaterialStainless steel“بدنه این اثر از جنس فولاد ضدزنگ”
Movement Serial102xxxxx“شماره سریال موتور (102xxxxx)”
Movement TypeBumper automatic“کالیبر اتوماتیک ضربه‌ای (Bumper)”
Date Period1940s“اواسط دهه ۱۹۴۰ میلادی”

Visible details

  • Subsidiary seconds hand located at 6 o'clock position
  • Rose gold applied indices and Omega branding on dial
  • Two-tone silver dial finish with vertical brushing in the center
  • Leather strap with perforation details

Research qualifications

  • No information provided regarding potential historical component replacement
  • Certification of internal condition and authenticity is attributed solely to the source

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

Consulted source

ساعت مچی امگا Omega Chronometer رفرنس 2374/5

Reviewed 2026-11-02 · Record 3bf2b3e26b

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

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