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The Encyclopedia of Horology

Clock · Rattrapante stopwatch

Omega MG 1135 Olympic Rattrapante Stopwatch

Partially verified

This Omega MG 1135 is a rattrapante, or split-seconds, stopwatch designed for Olympic timing purposes. Originating from the 1960s, the piece consists of an oversized 65mm chromed stopwatch housing a hand-wound Omega caliber 1210 movement. The watch features a white enamel dial with an outer register marked in black and red for 30/60-second intervals, supplemented by a 15-minute totalizer and a central split-seconds hand. The object is designed to be fitted into a specialized red Olympic timing housing, which measures approximately 4 5/8 inches by 3 1/2 inches by 1 1/4 inches. This assembly includes a vinyl strap intended for wearing around the neck. The configuration serves to provide timing for simultaneous events, with the external housing intended to provide structural protection during use.

The Omega MG 1135 stopwatch housed in its red Olympic carrying case with the vinyl neck strap.
The Omega MG 1135 stopwatch housed in its red Olympic carrying case with the vinyl neck strap. — Analog:Shift. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
shop.analogshift.com
Category
Clock · Rattrapante stopwatch
Maker / attribution
Omega
Reference
MG 1135
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
1960s
Source-reported place
Not established

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 Housing

The Omega MG 1135 is configured as an oversized 65mm chromed stopwatch intended for insertion into a specific red external timing housing. The housing, which measures 4 5/8 inches by 3 1/2 inches by 1 1/4 inches, features the Omega name and logo prominently on its front face.

The assembly is equipped with a vinyl strap, allowing for the unit to be worn around the neck during timing events. The combination of the stopwatch and the red housing is described as providing protection against shocks and moisture, facilitating use during physically demanding events.

Evidence for this section
  • “oversized 65mm chromed stopwatch”
  • “special red Olympic timing housing measuring 4 5/8" x 3 1/2" x 1 1/4”
  • “It even features its correct vinyl strap for wearing around the neck.”

Dial and Functionality

The timepiece features a white enamel dial designed for high visibility during Olympic timing operations. It includes an outer register printed in both black and red, providing 30/60-second divisions. A subsidiary 15-minute totalizer is located on the dial face.

Functionally, the stopwatch is a rattrapante model, utilizing a central split-seconds handset that allows the user to record simultaneous events. This mechanism is operated via a primary winding crown and dual pushers positioned at the 11 and 1 o'clock positions on the stopwatch unit.

Evidence for this section
  • “white enamel dial with an outer 30/60-second register in black and red”
  • “subsidiary 15-minute totalizer”
  • “central split-seconds handset for timing simultaneous events”
  • “dual pushers at 11 and 1 o'clock”

Movement and Origin

The watch is powered by the hand-wound Omega caliber 1210 movement. As a component of the company's historical sports timing equipment, the MG 1135 is associated with the brand's Olympic legacy.

The piece dates to the 1960s and is presented as a specific reference produced for timing high-intensity sporting competitions. The movement drives the complex split-seconds functionality required for measuring fractions of a second in athletic contexts.

Evidence for this section
  • “Powered by the hand-wound Omega cal. 1210 movement”
  • “An incredible vestige of Omega's Olympic legacy”
  • “Dating to the 1960s”

Open research questions

  • What is the specific production date range for the Omega caliber 1210 movement?
  • What were the specific Olympic events for which this housing design was used?

Source evidence

Recorded claims and source quotations for Omega MG 1135 Olympic Rattrapante Stopwatch
FieldSource-reported valueSource quotation
ReferenceMG 1135“Omega ref. MG 1135”
MovementOmega Caliber 1210“Powered by the hand-wound Omega cal. 1210 movement”
DialWhite enamel“boasts a white enamel dial”
Stopwatch Diameter65mm“oversized 65mm chromed stopwatch”
Housing Dimensions4 5/8" x 3 1/2" x 1 1/4"“measuring 4 5/8" x 3 1/2" x 1 1/4”
FunctionRattrapante“it's a rattrapante (split-seconds) stopwatch”
Era1960s“Dating to the 1960s”

Visible details

  • 65mm diameter stopwatch
  • Split-seconds central handset
  • Subsidiary 15-minute register
  • White enamel dial with red and black printing

Research qualifications

  • The housing is described as providing 'shockproof' and 'waterproof' characteristics, which remain unverified.
  • The exact date of manufacture within the 1960s is not specified.

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

Consulted source

کرنومتر Omega رفرنس MG 1135 نسخه المپیک با کالیبر 1210 و قابلیت Rattrapante

Reviewed 2026-11-02 · Record d4654dd366

Terms in this record

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