Longines Pocket Watch 1940s
That same year, it produces its first movement, the 20A. This line calibre has an anchor escapement, as well as a pendant winding and setting mechanism. 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. 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.
Dating longines pocket watch
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.Top 10 Longines Pocket Watch // New & Popular 2017
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. 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.
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. Dating A Longines Pocket Watch, tsm wowuction stuck on ating component, appropriate age for group dating sites, program de mixat melodii online dating/ Dating Longines Pocket Watch Involving yourself in the pua Dating Longines Pocket Watch scene is likely to be one one of the happiest decisions you could make for yourself. It does not matter what you look like, if you know what you are doing you will find that it is Dating Longines Pocket Watch not that hard to take women home the same night /
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. 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. 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.
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.
Longines - Wittnauer
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.
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.
Longines develops a calibre specifically intended for observatory competitions: the The generous size of the rectangular movement houses a large barrel spring and enables the use of a wide sprung balance, oscillating at a frequency of 36, vibrations per hour, for even greater accuracy.
Wishing to assess the options offered by technologies beyond traditional watchmaking, Longines designs an electromechanical calibre intended for observatory competitions and powered by a 1.
Longines timers are still used in many sporting events, especially equestrian and gymnastics competitions. Longines produced some really beautiful sport chronograph watches in the 30's and 40's, using Longines own in-house movements. Original Longines chronographs are very collectible. Historical information about a Longines watch. Longines has meticulously recorded each of its watches' serial numbers since This means Longines is able to provide a service that is greatly appreciated amongst admirers of the brand the world over and is available only to watch owners who have had their timepiece for a certain amount of time. Longines pocket watch dating - Want to meet eligible single woman who share your zest for life? Indeed, for those who've tried and failed to find the right man offline, internet dating can provide. Men looking for a woman - Women looking for a man. Find a woman in my area! Free to join to find a woman and meet a woman online who is single and hunt for you.
Research conducted by Longines on electronic and quartz technology enable it to develop an electronic quartz movement, the calibre, for on-board chronometers. This time-measuring device opens the way to new heights of accuracy.
It easily outstrips the records set by mechanical devices in observatories. The regulating organ of the L movement is a guarantee of accuracy, with the characteristics of a competition piece, as it vibrates at a frequency of 36, vibrations per hour.
The Ultra-Chron collection is based around it. The top-secret Project Hourglass, the aim of which was to design and manufacture a quartz watch, is revived in when Longines launches the first cybernetic quartz calibre for a wristwatch, the L, named Ultra-Quartz.
Longines asks artist Serge Manzon to create a line of watches notably different from its classic collections. The company seeks a talented designer capable of reimagining the wristwatch-capable of transforming a belt buckle into a watch case The result is a series of soft, pure, and supple forms - sculptures in silver that are both aesthetic and contemporary.
It wins a Golden Rose of Baden-Baden. The factory develops a mechanical self-winding calibre, the L, with two barrels placed on the same level.
Longines serial numbers
With a height of only 2. Longines presents a quartz watch that is only 1. The first timepiece to break the 2 mm barrier, its extremely slender calibre is the result of the development of specific technology.
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 guarantees as to its accuracy, authenticity or reliability. No representations or warranties, either express.
Named Feuille d'Or 'Gold Leaf'this watch is a wonder of technological achievement. Having signed technical partnerships with the Formula 1 teams of Ferrari and, later, Renault, Longines becomes the official timekeeper for F1 races for a period of 10 years.
The company launches the VHP Very High Precision calibre, a quartz movement of very high precision equipped with a technology that neutralises the effects of temperature variations. They pioneered the "broken wire" system, as well as the first "photo finish" mechanism, which linked precision timing with a photographic record of the event.
Longines timers are still used in many sporting events, especially equestrian and gymnastics competitions. Longines produced some really beautiful sport chronograph watches in the 30's and 40's, using Longines own in-house movements. 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. 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. 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.
Longines serial numbers are usually found on the back plate of the movement. Be sure to use the serial number on the movement the works of the watch. Do not use the serial number from the watch case. Click here for an explanation and example of how to use our serial number tables. Need help finding the serial number on your watch?
Longines celebrates the year of the horse by launching a pocket watch in rose gold: the Longines Equestrian Lepine. The back of this exceptional piece is adorned with a horse jumping an obstacle and its inspiration was drawn from a metal Lepine pocket watch dating from and kept at the Longines Museum in Saint-Imier (BE). Vintage and Antique Watch "How to" Information by Renaissance Watch Repair, provides a large amount of info on identifying, dating, evaluating vintage pocket watches Specific Makes or Styles How to identify an original Simon Willard clock by Ben E Fulbright, Adobe Acrobat 23KB. Longines Serial Numbers. 20, 36, 52, Pocket Watches Ladies Watches Solid Gold Watches Stainless Steel Watches Press & Movies. Sell your watch. We buy fine watches. Please send us a clear photo and price of your watch to sell to: [email protected] Text photos of your watch to: