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Instruments · Stopwatch

Breguet Monopusher Split-Seconds Stopwatch c. 1950s

DocumentedDocumented from a dealer's listing; attribution and date as stated by the dealer.
Maker / attribution
Breguet (maker)
Date
c. 1950s
Country of origin
France
Object type
Stopwatch
Dimensions
Case 50 mm
Stock no.
OC3056
Credit line
Dealer listing, Oliver & Clarke (OC3056)
Catalogue title (original)
Breguet Monopusher Split-Seconds Stopwatch c. 1950s (English)

View the source record (dealer listing) ↗ (opens another website in a new tab)Suggest a correction

Record summary

Catalogued by Oliver & Clarke (dealer), United Kingdom (stock number OC3056), this is a stopwatch by Breguet, made in France, dated c. 1950s. The Atlas places it in the Modern Mechanical Horology period (1945 – 1969) of its Instruments collection. Recorded dimensions: Case 50 mm. The record is illustrated with 6 photographs.

Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.

Catalogue description

Dealer description — Oliver & Clarke

Parisian manufacturer Breguet, named after its founder, Abraham-Louis Breguet, was founded in 1775 and is one of the most stored and historically significant manufacturers in the world of horology. With a number of firsts, including *ahem* what many consider to be the first known wristwatch, Breguet is primarily known today for its stunning silver 'guilloche' dials, innovations in complications, and outstanding build quality. That said, you may have noticed that this isn't a watch. So whats going on? What we have here is a stopwatch dating to circa the 1950s. As you might expect, it is larger than your average watch, coming in at about 50mm in diameter. It features a 'hinged' design with an inner dust cover, a 'piston' pusher at the 11 o'clock position, and an oversized 10mm 'onion' crown at 12 o'clock with a D-ring around it. With optimal legibility in mind, the dial is a high-contrast design with a white base, printed black scales and 'Arabic' indices, and a matching black-painted handset. On top of being an obscure piece that is not immediately associated with Breguet, this stopwatch has a party piece. The movement inside is not only a monopusher-operated chronograph, but also has a split-seconds function operated by the pusher at the 11 o'clock position. This would have been a highly technical precision instrument, relevant for decades after the era in which it was produced. And with any Breguet prior to roughly the late 1970s - early 1980s being outright rare, one has to wonder who placed an order for this in period.

Historical context

Modern Mechanical Horology (1945 – 1969)

Tool watches for divers, pilots and astronauts; electric watches anticipate the electronic age.

Electronic instruments, quartz frequency standards and the first atomic clocks transformed precision timing in laboratories and broadcasting.

Read the period in the timelineMore instruments from this periodEarlier: Golden Age of Mechanical Watchmaking

Atlas type guide

Timers, stopwatches, chronoscopes and time recorders

Instruments for measuring short intervals or recording when something happened form a large and practical branch of horology. Sports stopwatches and split-seconds timers, laboratory chronoscopes (such as Hipp's, which measured thousandths of a second for psychology and ballistics experiments), metronomes for music, watchmen's clocks that recorded patrol rounds, and the time recorders that clocked factory workers in and out all derive from clock and watch technology.

These objects matter historically because they show timekeeping leaving the observatory and the drawing room and entering industry, science and sport. Many were mass-produced, and their dials, scales and patents chart the rise of electrification and industrial management.

What to look for

  • Scales graduated in fifths, tenths or hundredths of a second, or decimal minutes for industrial use.
  • Start, stop and reset push-pieces; a second hand that can be stopped independently (split seconds).
  • Recording devices: paper discs or tapes, printing mechanisms, keys or punches.
  • Patent numbers and dates on the dial or case, which give a terminus post quem.

Dating clues

  • Hipp chronoscopes were made from the 1840s into the twentieth century.
  • Employee time recorders spread from the 1890s (Bundy, IBM, International Time Recording Co.).
  • Quartz and electronic timers replaced mechanical stopwatches in sport from the 1970s.

General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.

Read next:Flyback chronograph

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