Valjoux (for ''Vallée de Joux'', "Joux Valley") is a Swiss manufacturer of mechanical

watch A watch is a portable timepiece intended to be carried or worn by a person. It is designed to keep a consistent movement despite the motions caused by the person's activities. A wristwatch is designed to be worn around the wrist, attached ...

movements Movement may refer to: Common uses * Movement (clockwork), the internal mechanism of a timepiece * Motion, commonly referred to as movement Arts, entertainment, and media Literature * "Movement" (short story), a short story by Nancy Fu ...

. It is known primarily for

chronograph A chronograph is a specific type of watch that is used as a stopwatch combined with a display watch. A basic chronograph has an independent sweep second hand and a minute sub-dial; it can be started, stopped, and returned to zero by successiv ...

ébauche ( loanword from French, meaning blank, outline or sketch) is a term used in art to denote the first preliminary underpainting or quick sketch in oils for an oil painting. Horology, clockmaking and watchmaking appropriated the term ébauche to r ...

movements that are used in a number of mid- to high-range mechanical watches. The company is a part of

ETA Eta (uppercase , lowercase ; grc, ἦτα ''ē̂ta'' or ell, ήτα ''ita'' ) is the seventh letter of the Greek alphabet, representing the close front unrounded vowel . Originally denoting the voiceless glottal fricative in most dialects, ...

, and is a member of the

Swatch Group The Swatch Group Ltd is a Swiss manufacturer of watches and jewellery. The company was founded in 1983 by the merger of ASUAG and SSIH to move to manufacturing quartz-crystal watches to resolve the quartz crisis threatening the traditional Sw ...

. They are also the movement providers for early Rolex Daytonas such as 6263.

Valjoux 7750

Valjoux is responsible for the design and manufacture of the Valjoux 7750 movement (and variants), an extremely popular movement used in many

mechanical Mechanical may refer to: Machine * Machine (mechanical), a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement * Mechanical calculator, a device used to perform the basic operations ...

watches. The Valjoux 7750 is different from most other chronograph movements, using the three-plane cam system rather than the column wheel. It is constructed of a mainplate, calendar plate, and chronograph top plate. Levers push a cam back and forth, driving the stopwatch mechanism of the Valjoux 7750. This is referred to as a ''coulisse''-lever escapement. In the 1980s, many companies began using the Valjoux 7750 because it was easier to mass-produce and distribute in high volume. The Valjoux 7750 can be created in several different displays, including adding or eliminating a date window or adding or subtracting a subdial. Watch companies can purchase the movement and alter it in house if they desire. Some watch brands that use base movements manufactured by Valjoux include Appella, Breitling,

Christopher Ward Christopher Ward may refer to: * Christopher Ward (British politician) (born 1942), British solicitor and Conservative Party politician * Christopher Ward (conductor) (born 1980), British conductor * Christopher Ward (entomologist) (1836–1900), E ...

Cyma Watches Cyma SA is a Swiss Made, Swiss manufacturer of luxury goods, luxury wristwatches, founded by brothers Joseph and Theodore Schwob in 1862. By 1908, Cyma was advertising the resilience of their timepieces when exposed to electricity, magnetism and ...

Deep Blue Watches
Dreyfuss & Co., Fortis, Gallet,

Glycine Glycine (symbol Gly or G; ) is an amino acid that has a single hydrogen atom as its side chain. It is the simplest stable amino acid ( carbamic acid is unstable), with the chemical formula NH2‐ CH2‐ COOH. Glycine is one of the proteinog ...

, Hamilton Watch, IWC, Steinhart,

Invicta Watch Group Invicta is an American watch designer and manufacturer headquartered in Hollywood, Florida. Invicta began as a Swiss watch company in 1837 founded by Raphael Picard in La Chaux-de-Fonds, Switzerland.

Junghans Junghans Uhren GmbH is a German watch and clock manufacturer. The company is located in the district of Rottweil, in a town called Schramberg, Baden-Württemberg, southwest Germany. History On 15 April 1861 Erhard Junghans created the compan ...

Longines Compagnie des Montres Longines, Francillon S.A., or simply Longines (), is a Swiss luxury watchmaker based in Saint-Imier, Switzerland. Founded by Auguste Agassiz in 1832, the company has been a subsidiary of the Swiss Swatch Group and its predec ...

Louis Erard Louis Erard is an independent Swiss watch manufacturer that was founded in 1929. The company was founded by Louis Erard and André Perret and produced its first watches in 1931. History Founded in La Chaux-de-Fonds as a watchmaking school in 1 ...

, Mido, NIXON Inc.,

Omega Omega (; capital: Ω, lowercase: ω; Ancient Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the twenty-fourth and final letter in the Greek alphabet. In the Greek numeric system/ isopsephy ( gematria), it has a value of 800. The ...

Oris Oris SA is a Swiss luxury manufacturer of mechanical watches. The company was founded in 1904 and is based in Hölstein in the canton of Basel-Landschaft. History Genesis and early growth Oris was founded by Paul Cattin and Georges Christ ...

Panerai Officine Panerai (also known simply as Panerai) is an Italian luxury watch manufacturer, and a wholly owned subsidiary of Compagnie Financière Richemont S.A. Officine Panerai designs, manufactures and markets watches through authorized dealer ...

Porsche Design Porsche Design is a German product design studio and brand founded in 1972 by F. A. Porsche, the designer of the original Porsche 911, known for its high-end accessories including sunglasses, pens, and watches. The current legal instantiation of ...

, Sector No Limits,

Sinn In the philosophy of language, the distinction between sense and reference was an idea of the German philosopher and mathematician Gottlob Frege in 1892 (in his paper "On Sense and Reference"; German: "Über Sinn und Bedeutung"), reflecting the ...

TAG Heuer TAG Heuer S.A. ( ) is a Swiss luxury watchmaker that designs, manufactures and markets watches and fashion accessories, as well as eyewear and mobile phones manufactured under license by other companies and carrying the TAG Heuer brand name. ...

Tissot Tissot SA () is a Swiss watchmaker. The company was founded in Le Locle, Switzerland by Charles-Félicien Tissot and his son, Charles-Émile Tissot, in 1853. After several mergers and name changes, the group which Tissot SA belonged to was renam ...

Tutima Tutima Uhrenfabrik GmbH Ndl. Glashütte is a German watchmaker established in 1927 in Glashütte, Saxony. Their products include analog chronographs of high precision, including pilot's watches (''Fliegerchronograph''), which are standard m ...

Xezo Xezo is an American designer brand of luxury goods. The brand produces luxury items, including Swiss Made#Swiss watch movement, Swiss-made Watch, timepieces, pens, eyewear, and leather goods. Xezo technically operates as a private label brand. Th ...

, and Zodiac Watches. There are also a large number of derivative chronograph movements based on the Valjoux 7750 base. These include ETA's own Valgranges, designed for larger watches, as well as the following third-party movements: * Alfred Rochat for Chronoswiss (C. 732 or C. 741, C 741 by Rochat) * Dreyfuss & Co. (Have a range of 7750 Valjoux watches) * Fortis (developed by Paul Gerber featuring an alarm and two springs) *

Franck Muller Franck Muller is a Swiss luxury watch manufacturer, named after its founder. The company's estimated total sales (in 2010/2011) were €290 million in watches with an average unit price of €38,000. Franck Muller's watches are worn by various ...

(for example FM 7850 CC MB) *

Hamilton Hamilton may refer to: People * Hamilton (name), a common British surname and occasional given name, usually of Scottish origin, including a list of persons with the surname ** The Duke of Hamilton, the premier peer of Scotland ** Lord Hamilto ...

(for example H31) * IWC * Selectus * Jacques Etoile (cal. IV.C4) * La Joux-Perret/Jacquet (for Jaquet Droz, Bremont BE-83, and others) *

Maurice Lacroix Maurice Lacroix is a Swiss luxury watchmaker based in the Canton of Jura and headquartered in Zurich. History Maurice Lacroix was founded as part of Desco von Schulthess of Zurich in 1975. Founded in 1889, Desco von Schulthess (Desco) is an old ...

ML112 * Paul Picot ("Atelier Technikum") *

* Porsche Design (

Eterna Eterna is a Swiss luxury watch company founded in Grenchen, Canton Solothurn, on 7 November 1856 by Josef Girard and Urs Schild. The company is now owned by Hong Kong-based Citychamp Watch & Jewellery Group Limited, an investment holding com ...

6036) * Revue-Thommen ("Airspeed Flyback") *

Sellita Sellita (Sellita Watch Co. SA) is a Swiss manufacturer of mechanical watch movements based in La Chaux-de-Fonds in the canton of Neuchâtel. Founded in 1950, Sellita operated as one of ETA's major outsourced assembly company for their movements u ...

SW500 *

("Flyback") * Soprod *

Damasko Damasko is a manufacturer of mechanical wristwatches and chronographs based in Barbing, Germany. History Damasko was formed in 1994 using high-performance materials technology that the founder, Konrad Damasko, had developed for applications inclu ...

(fitting a silicon main spring to the 7750)

References

External links

Excellent source for company history, watch details, etc.

ofrei.com, Otto Frei
Alliance Horlogere
A page containing information about the Valjoux 7750 along with a video showing the mechanism being assembled

Crown & Caliber Watch movement manufacturers The Swatch Group Manufacturing companies of Switzerland {{Switzerland-company-stub

Valjoux 7750

References

Further reading

External links