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Posted by: Taugis Posted on: 04.07.2020

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I agree that this Website uses cookies and similar technologies for providing me this Website and its functionalities, for obtaining insights about its use and for providing me relevant advertisements. To find out more about cookies and how to manage them, please see our Cookie Notice. Find out more and configure cookies. The Saint-Imier watchmaking establishment founded by August Agassiz and his two partners make and sell pocket watches with crown-wheel escapements similar to those produced by the Swiss watchmaking industry in general. Agassiz becomes head of the company.

Therefore, Francillon made the wise decision to trademark the Longines name inand distinctive winged hourglass logo in Longines began using the slogan "Elegance is an Attitude" in There are concerns over the lack of transparency in manufacturing activities and the sourcing of precious raw materials such as gol which is a major cause of environmental issues such as pollutionsoil degradation and deforestation.

In particular, Albert Einstein owned two timepieces from Longines, one silver pocket watch and one gold wristwatch.

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Since Longines developed its first chronograph movement inthe brand has steadily built strong relationships with various sporting organizations, events and teams worldwide. Today, Longines is designated as official timekeeper, partner, and watch for competitions worldwide including: [31].

Please remember that this is just an approximate guide and can not be used as a accurate outlook as per how old your watch might be. Should you require a more conclusive valuation of your time piece then please do not hesitate to Email-us. To determine the approximate age of your watch, open the case and find the serial number, usually found engraved on the movement or the case back. Identification of Types Identification of Makers Identification Services Dating of Timepieces Bottom. Identification of Types of Timepieces Terry Type Wood Movement Identification (excel spreadsheet) by Dr Snowden Taylor, Longines & Wittnauer Serial Numbers from The Watch Guy;. 36 rows  Please have in mind that the time table for the Longines serial numbers is not accurate but very close to +/- 1 years. Dating back your vintage Longines watch by using the serial number is the most exact way to identify your watch. Note: - that the Longines serial numbers are usually found engraved on the in- & out-side of the back case.

From Wikipedia, the free encyclopedia. Compagnie des Montres Longines Type. Retrieved Federation of the Swiss Watch Industry.

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October 12, History of Longines. Monochrome Watches. Sigma Leisure. World Wide Fund for Nature.

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SWI swissinfo. This line calibre has an anchor escapement, as well as a pendant winding and setting mechanism.

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It wins an award at the Universal Exhibition in Paris in A winged hourglass is also engraved on the movements. With its new mechanical procedures, Longines produces a simple chronograph movement, the 20H calibre, patented by the watchmaker Alfred Lugrin.

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This is the first mechanism manufactured by Longines that can be used for precise timing, an area in which the brand will invest heavily from the end of the 19th century.

The oldest known advertisements for products by the brand with the winged hourglass are related to horse racing. Pride of place goes to Lugrin's patented chronograph featuring a single push-piece.

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The first Longines chronographs sold in America are not only for bettors, to assist them in their assessments, and horse racing spectators, but for everyone involved in the sport: buyers searching for future champions, riders aiming to improve their performance, stud farms, and riding schools. Having laid the foundations for a production system using machine tools, Longines now becomes involved in high-precision timekeeping and produces its first movement for a certified chronometer, the This chronometer movement is based on a calibre developed in which is adapted to improve its accuracy.

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Francillon takes measures to protect his business. Fromthe brand name is filed with the Federal Office of Intellectual Property, while the logo is registered in Inworldwide protection is provided when the brand name and logo are filed with the United International Bureaux for the Protection of Intellectual Property, the forerunner of the WIPO.

Longines is the oldest brand name registered with the WIPO still in use, unchanged, today.

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Longines is associated with exploring for the first time, when it equips Prince Luigi Amedeo of Savoie, Duke of the Abruzzi, in his Arctic expedition. Longines wins more Grands Prix than any other brand at these events. The first system of electromechanical sports timing - using wires which when broken respectively start or stop the watch - is used at the Federal Gymnastics Festival in Basel.

Longines develops its first calibre for a wristwatch with a single push-piece: the This movement of superior quality is 29 mm in diameter, includes a minute instantaneous counter, and is accurate to within one-fifth of a second.

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The company begins developing shaped movements and produces a range of oval and rectangular calibres for wristwatches. Longines is named the official supplier for the International Aeronautical Federation. Heinmuller - times the new records set by these adventurers.

A patent for this timekeeper is filed in Having made his famous non-stop solo flight over the North Atlantic inpilot Charles A.

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Lindbergh designs a navigational instrument which he has Longines bring to life. Used in conjunction with a sextant and a nautical almanac, the Lindbergh Hour Angle watch - based on the model Weems created in - helps aviators calculate longitude which, when combined with their latitude, gives them their exact geographical situation. The factory creates a calibre for a legendary wristwatch, the 13ZN, produced in various versions, with one or two push-pieces, with a semi-instantaneous minute counter or a minute continuous counter.

Longines files a patent for this calibre, one of the most remarkable in its history.

With its new mechanical procedures, Longines produces a simple chronograph movement, the 20H calibre, patented by the watchmaker Alfred Lugrin. This is the first mechanism manufactured by Longines that can be used for precise timing, an area in which the brand will invest heavily from the end of the 19th century. In November of , Longines announced the discovery of serial number dating the watch to - In , Longines developed its first chronograph movement, the 20H. It was a "mono-pusher" chronograph, in which all 3 chronograph functions- Headquarters: Saint-Imier, Switzerland. Dating Longines Movements den vielen Freuden, wenn man die Liebe gefunden hat. Mit einem sympathischen Mann an Ihrer Seite beweisen Sie dann, dass Kleinanzeigen im Internet immer viele Leser finden und mit einem Happy End enden konnen.

Longines, basing its research on a line calibre, develops mechanical timekeeping equipment, including a chronograph with a semi-instantaneous minute counter and a flyback hand, a semi-instantaneous sports counter with or without flyback hand, and another counter accurate to a hundredth of a second.

Longines uses the high-precision This device gives Greenwich sidereal time expressed in degrees, minutes and fractions of arc minutes, and is used to speed up calculations of position by directly indicating the hour angle of the vernal point in relation to Greenwich.

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Longines launches its first self-winding movement, the patented calibre 22A. The development of this prototype represents a major challenge for the company, which for the first time adapts the new winding technology for large-scale production.

The technical office develops a new hand-wound mechanical movement with a chronograph function, the 30CH.

Dating longines movements - Is the number one destination for online dating with more marriages than any other dating or personals site. Men looking for a man - Women looking for a woman. Find a woman in my area! Free to join to find a woman and meet a woman online who is single and seek you. I don't know if I'd call it another category completely, but I do consider a few of Longines' movements immediately before the series to be much better. The 34x (particularly the introduced in ) and 29x (introduced ) have rather large balance wheels relative to the movement diameter with normal beat counts and perform very well. Longines Year Identifier. Enter the Longines serial number found on the watch movement. Disclaimer Although every effort is made to ensure that the information contained in this website is accurate and complete, such information is provided as is and without any .

Longines launches its Conquest collection, the first step in a new product development strategy, integrating the concept of a line or family of models. After Conquest, the elegant Flagship collection is launched, with its distinctive medallion featuring a caravel engraved on the case back.

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Original Longines chronographs are very collectible. Longines was also famous for their Aviator's watches. After his historic flight, Charles Lindbergh helped Longines design a pilot's watch with special features for air-navigation.

Longines is also the official timer of the World Air Sports Federation, and has provided the timing equipment used to verify world aviation records, including Lindbergh's historic first non-stop solo crossing of the Atlantic. Aviation pioneer Amelia Earhart was also known to have worn a Longines watch, which is described here.

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Longines produces some really beautiful wristwatches; classic designs that look as good today as they did 50 years ago.

Their watches are collectible, affordable and are often very reliable time-keepers.

Dating longines movements

Another advantage for the collector is that parts can usually be found to repair Longines watches. At the time of this writing, Longines is part of the Swatch Group, the largest Swiss watch conglomerate. We do not repair modern, battery-powered Longines watches, but please contact us if we can help you with the restoration of your vintage mechanical Longines watch. This table can be used to establish the approximate age of your Longines watch using the serial number.

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Longines serial numbers are usually found on the back plate of the movement.



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