Chronometers

What is a chronometer?

A chronometer is a high precision watch capable of displaying the seconds and housing a movement that has been tested over several days, in different positions, and at different temperatures, by an official, neutral body (COSC). Each movement is individually tested for several consecutive days, in five positions and at three temperatures. Each movement is individually measured. Any watch with the denomination “chronometer” contains a certified movement.  COSC is an acronym for Contrôle Officiel Suisse des Chronomètres.

Read about my Chronometers:

  • Girard Perregaux Chronometer 1965c (4/7/2011) -       Girard Perregaux  is one the many great Swiss watchmakers that couldn’t get big enough to continue developing in house movements into the 60’s and 70’s. This is a good example of a mid sixty’s quality watch. Automatic, … Continue reading
  • Omega Constelation 1963 (9/1/2013) -     It is so hard to find an Omega Constelation from the early 60’s in good condition especially with a good original dial. It seems that I am with the majority in seeing these, nicknamed “pie pan” models, as the … Continue reading
  • Omega Constellation 1966 (9/17/2014) - The Constellation has been the flagship of the Omega brand since its introduction in 1952. It was a robust, water resistant, chronometer that was, through its various style changes, always very stylish and it outsold its main rival, the Rolex … Continue reading
  • Omega Constellation 1970 (6/8/2014) - By 1970 the mighty Constellations had a pedigree that went back to 1952. Omega was one of the most desirable brands in watches, more so than the likes of Rolex or Longines . And of the Omegas, the Constellation was … Continue reading
  • Rolex Datejust Chronometer 1985 (4/17/2011) -   The Rolex Datejust from 1985 is a classic Rolex.  Oyster case with screw down crown, fluted 18ct gold bezel and magnifying date bubble are hallmarks of this great brand. Like most watchmakers, I wasn’t a great Rolex fan. In … Continue reading
  • Rolex Oysterquartz 1987 (8/21/2016) - Rolex is by far the most imitated watch. Imitations ranging from obvious cheap copies to difficult to pick fakes that feature every minute detail.  It is widely thought that if a watch that looks like a Rolex, has Rolex signed … Continue reading
  • Rolex Submariner 2011 (9/13/2014) - The Submariner was introduced by Rolex in 1954. Since then, the Rolex designers could be accused of being the laziest designers in the world of watchmaking because the basic style changed little to the present day. Maybe that is one … Continue reading

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