Dating longines pocket watch

To do so, you will need to send us the watch. This document, written in English, describes the state of the timepiece upon examination in St-Imier. In addition, the shipping costs and import duties linked to the sending of a watch for authentication are payable by the client. Be sure to complete all the fields and indicate the nature of your request. Please note that Longines does not provide estimations of the current value of an antique watch.

The value depends on fluctuations in the antiques market, the nature of supply and demand, the watch's state of preservation and operation, and many other criteria that require a specialist's opinion. Product added to comparator! You cleared the comparison list. Sell one like this.


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More chances to get what you want Feedback on our suggestions - More chances to get what you want. Antique solid gold 18k pocket watch. See what other people are watching Feedback on our suggestions - See what other people are watching. Longines 14ct Yellow Gold Pocket Watch. Seller assumes all responsibility for this listing. An item that has been previously worn. See all condition definitions - opens in a new window or tab Read more about the condition.

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Take a look at our Returning an item help page for more details. You're covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. They were an expensive piece of window dressing that had no effect on the going of the watch, which is why they are only fitted to the visible top holes, the ones the customer sees; the jewels in the bottom holes were rubbed in as usual. If this calibre was used in a wristwatch its layout would have put the small seconds next the 9 o'clock, so in a wristwatch the small seconds sub-dial was omitted.

The savonnette layout was used in hunter cased pocket watches, and for wristwatches. Often movements imported into Britain before the mid to late s do not carry the name manufacturer's name visibly, this was not allowed by British retailers. Longines movements are usually quite easy to identify.

The calibre number is usually stamped on the bottom plate and is visible next to the escape wheel. If you click on the picture here and get an enlarged view you should be able to see the Be aware that not all movements stamped with this trademark are Longines, Baume also imported watch from other makers.

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It has a straight line Swiss lever escapement, a cut bimetallic temperature compensation balance with gold timing screws, and a blued carbon steel balance spring. The balance spring is flat, without an overcoil. Longines movements imported into Britain were customised to suit British tastes. In addition to the absence of a maker's name, the plates are gilded and the screws blued to a purplish colour favoured by Longines.


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These finishes were traditionally used by the best English watchmakers and added to the cost. They were not used in other markets, for which Longines used the standard Swiss finish of nickel plating and polished screws. As far as I can make out, all Longines movements imported into Britain were fully jewelled with 15 or more jewels, for other markets sometimes fewer jewels, e. All these features, cut bimetallic temperature compensation balance with gold timing screws, gilded plates, blued screws, full jewelling and an overall high level of finish, show that Longines was making watches intended for the top end of the British market.

In nineteenth century Britain, English watches were regarded as the best in the world and Swiss watches had a reputation as being basic and cheap. Longines were countering this by making watches of a quality that anyone would be proud to show off to their friends. This is the movement from a Longines wristwatch with a Borgel case. The case has London Assay Office import hallmarks for sterling silver, the date letter "p" for the year to to , remember that date letters span two calendar years.

Longines informed me that the watch was invoiced to Baume on 17 February Even though the watch is well over years old you can see what an excellent job the Borgel case has done in protecting the movement. Interestingly there is no indication of the manufacturer visible. This watch was imported at a time when British retailers did not allow manufacturers, with very few exceptions, to make their name visible. The movement has also been customised for the British market, with concealed winding wheels, frosted and gilded plates and bridges, and blued screws.

For an extra bit of "eye candy" the top jewel bearings for the centre, third and fourth wheels are set in gold chatons that are held in place by small screws.

Longines - Wittnauer

This is purely for visual effect, the corresponding jewels in the bottom plate are rubbed in, as was usual at the time, which you can see from the image of the bottom plate. For more about jewel bearings in watches, see Jewel Bearings. It was made in at least two forms, one with a single bridge for the third, fourth and escape wheels, the other with three separate cocks as in the example here. This movement has a jewelled straight line Swiss lever escapement, cut bimetallic compensation balance with gold timing screws, and a steel balance spring with a Breguet overcoil.

This movement is jewelled to the centre wheel, with end or cap stones for the escape wheel. The top end stone for the escape wheel is held in the polished steel setting screwed to the end of the escape wheel cock. Both the top and bottom pivots of the escape wheel have end stones, only the top bearing of the centre wheel is jewelled. This gives of a jewel count three greater than the usual "fully jewelled" 15, making a total of 18 jewels, as engraved on the top plate. Only top bearing of the centre wheel is jewelled, the use of a single jewel bearing rather than two is is for practical reasons rather than for economy.

The top bearing of the centre wheel takes a greater radial thrust from the mainspring barrel than the bottom bearing, because the centre pinion is closer to the top plate than the bottom plate.

CERTIFICATE OF AUTHENTICITY

This usually causes the bearing in the top plate to wear more than the bearing in the bottom plate, so a jewel for the top bearing extends the life of the watch. A jewel bearing in the bottom plate would not add much life because that bearing wears little, but would make it extremely difficult to remove the cannon pinion without breaking the jewel. In a watch with a jewelled top centre bearing, it is important to support the centre arbor when refitting the cannon pinion to avoid breaking the jewel.

The watch is stem wound and set. The keyless work uses a rocking bar to change between winding and setting. In the image the rocking bar is in the normal winding position. A pinion riding on the stem engages with a central wheel, the top and bottom teeth of which are visible in the image. The central wheel turns two wheels on opposite ends of the bar, the one to the left engages with the barrel to wind the mainspring, the one to the right engages with the minute wheel of the motion work to set the hands.

The rocking bar mechanism is normally held in the winding position by the spring, and is moved into the hand setting position by a push piece, with a pin set in an olivette on the case near to the crown. This is a Longines calibre The serial number 2,, suggests a production date in The case is nickel, so not hallmarked, but the dial has skeleton hand and numerals for luminous paint, so it is most likely from the time of the Great War.

A sibling movement of the The first version had a barrel bridge that partially exposed the winding wheels, a long centre bridge, and cocks for the fourth and escape wheel pivots. Soon after the The meaning of these designatory letters, and the purpose of the variations in appearance, is not known. They did not affect any other aspect of the calibre, i.

Three cocks carry the bearings for the third, fourth and escape wheels. The variation shown in the images here is a Both calibres are 13 ligne, shown by the two leading digits of their calibre reference. It is difficult to understand why the And also the logic behind the choice of designatory suffix numbers, with 34 following after 81, is a mystery. Longines created a number of chronograph pocket watches, but the most famous Longines chronograph is the Putting a chronograph movement into a wristwatch immediately made it useful for occupations where a hand could not be spared to hold a pocket chronograph, such as aviation.

This started Longines on a path that ultimately lead to some of the most famous aviator's watches ever made. The small seconds of the base The battle of Omdurman was fought on 2 September when a British army commanded by General Sir Herbert Kitchener defeated the army of Abdullah al-Taashi as part of British efforts to re-conquer the Sudan.

Mappin continued to use the Campaign name for many years. The use of the low left double quotation mark is a sign that this legend was not put on in the UK. The dial shown here is from a wristwatch with a Longines This dial has been through an ultrasonic clean, which is interesting because the name words Mappin and Campaign have not been affected.

This is because the words are vitreous enamel fired into the enamel of the dial, the same as the tracks and numerals, not painted on later with enamel paint as is usually the case with British retailer's names. This shows that the name was put on in Switzerland by the dial maker as the dial was being made. Longines told me that the requirement for this dial is recorded in their archives showing that the watch left the St Imier factory in with this branding on the dial.

Longines watches supplied to other countries often had Longines fired onto the dial. From about the mids this began to be accepted in Britain.

Longines exported watches to agents in many countries, they were a watch manufacturer first and foremost and let agents who knew the country, its language, social conventions and requirements do the selling wholesale to retailers. Agents didn't sell direct to the public. Henry Birks was a Canadian, born to parents who had emigrated from Yorkshire, England before his conception.

Henry Birks opened a jewellery shop in in Montreal. In he took his three sons into partnership. Longines have a superb archive of hand written ledgers recording details of every movement produced between and , a total of fifteen million movements. On my visit to the factory I went into the room where the ledgers are kept. The image here shows one corner of the room, the shelves of ledgers line three walls of the room from floor to ceiling.

A complete watch leaving the Longines factory up to the serial number 15,, had the same serial number on the case and on the movement.


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  • Longines Pocket Watch Serial Number Lookup.

After that the case and movement number were not necessarily the same. Today, only the case bears the serial number, not the movement. However, Longines also sold uncased movements with dials and hands, for example to the US agent Longines Wittnauer when the case was produced locally. When that happened the factory serial number is on the movement only, the case bearing a local reference number which is different. Over the period between and there were two world wars and several economic slowdowns, including the great crash of and the full blown recession of the s.

Because the machines had to be carefully set up for each calibre, the Longines factory manufactured movements in batches in anticipation of demand. Although output could be adjusted in response to sales, a sharp unexpected downturn would inevitably mean that more movements had been produced than were immediately required, so some had to remain in stock for longer than usual. The serial number gives the date when the movement was manufactured, not when it was actually sent out from the factory.

In times of slowdown a watch could remain in stock for several years and the dates of manufacture and dispatch be far apart. Many of the tables of Longines serial numbers published on the internet appear to be seriously in error. The table below is compiled from data in Ref. The achievement of each million movements made must have been a notable milestone worth recording.

If you have any questions or comments, please don't hesitate to contact me via my Contact Me page. Back to the top of the page. This page updated December Vintage Watch Straps Straps for vintage fixed wire lug trench or officer's wristwatches. Omega and Tissot Borgel 1: Movado West End Watch Co. Longines Factory and the River Suze. Letter in Horological Journal