Movement Identification

April 18, in Chronograph Tags: Fast forward a decade or so and Breitling released the first version of the watch in this post, the Superocean Ref. The main differences between the two versions are that the early model has no running seconds subdial and has a plain diving bezel rather than the yachting bezel found on the later model. As you can see in the first picture, the watch in this post arrived in pretty poor condition. Once out of the case, judging by the condition of the dial and the missing lume, it was clear that the watch had also had some moisture in it at some time. Inside the watch is a Valjoux cal. Like the Venus used in the early model, the caliber in this watch was again modified specifically for the Breitling Ref The hairspring was broken, a part of the diving timer was missing and the pusher tab on the operating lever had broken off.

Top VIdeos

A Hamilton US military “general purpose” watch from In keeping with similar watches of this type, the dial bears the “H3” mark which I think signifies the use of Tritium in the luminescent compound and the Radiation tri-foil symbol. The back of the watch bears the relevant military specification, part number and date information, together with the instruction that it should be disposed of as “radiation waste”.

Submariner amazing patina and condition pertrified dial Submariner amazing patina and condition pertrified dial.

February 8, in Diver Tags: Opening the caseback revealed a Favre-Leuba cal. The calibre FL is the date only version of the FL which I wrote about in this post concerning a Sea Raider model from the same period. Both of these calibres were based on the A. Removing the bezel ring and crystal from the watch quickly revealed the source of the problem with the inner bezel — our old friend, emulsified gasket… always an unwelcome visitor!

The melted gasket was literally sticking the inner bezel to the crystal, and had to be very carefully removed to avoid it smearing all over the white inner bezel. The other problem was that the stem was broken. It had broken off flush with the threads of the crown and there was nothing to grip to try and remove the old stem, so I had no alternative but to fit a new crown and stem. With the movement serviced and the problems resolved, the case was cleaned and a new crystal gasket fitted before the watch was rebuilt.

Here is the result. As I mentioned in the Ultra-Chron post, high beat calibres were only made by a handful of manufacturers, Favre-Leuba being one of them releasing the cal. In terms of general servicing there is little difference between this and any other automatic calibre, the only variation being a different grease used on the pallet stones, Moebius in place of to cope with the higher rate. However, the brand was relaunched in with a range of new models, including a re-issue of the Bathy diver.

A History: ’s Word of the Year

Another British Military watch on the blog this time, and something of an enigma. The watch is very similar in style and size to the W10 made by Hamilton from and subsequently by CWC from and it shares all of the attributes required to adhere to the strict standards for military use. The case is opened by removing the crystal and splitting the two-piece stem, and inside is a 17 jewel, manually wound calibre made by A.

It has a higher beat rate, 28, bph as opposed to 21, bph, and also has a micro-adjustment mechanism mounted on the balance cock for more accurate regulation. Here is a picture of a cal. In the picture above, the stem is pushed all the way in — in the winding position — and so the stem presses on hacking lever, it pivots around the fixed axis just above the castle wheel and the lower arm of the lever releases the balance allowing it to rotate freely.

Antananarivo, Madagascar U.S. Embassy Antananarivo alerts U.S. citizens to a plague outbreak which occurs each year in Madagascar. To date, there have been confirmed cases and deaths.

The loss of color most commonly due to exposure to sunlight UV. Fake A fake is a copy of a legitimate item that is made to deceive the buyer. Many times the fake will show original marks, making it more difficult to authenticate a piece. Fakes are a huge problem with online auctions, know your seller and know your stuff before spending big bucks. Fall Front The vertical or sloped front or flap of a cabinet, bureau or desk, hinged at the bottom edge to form a horizontal surface when lowered, generally as a writing surface.

Fan Pattern The geometry of a spray pattern. Fast to Light A color which is not significantly affected by exposure to sunlight. It has been in practice for centuries.

Abrasion Resistance

Taylerson, ‘Horological Journal’ Sept. Taylerson searches voluminous Military archives to list timepieces issued to The British Armed Forces. This article describes only mechanical instruments. It is based upon a study of various original lists and Vocabularies of Equipment. They can only be accepted as a general guide to the dating of any watches referred to in them since, clearly, many were in issue before their formal adoption or approval was recorded.

I have not yet found the various specifications to govern manufacture and inspection for the watches mentioned.

Anonymous Pocket Watch: Swiss made, 15 jewels, circa ‘s. This example is used in a 6E/50 observer’s pocket watch issued to the British military during the Second World War.

Rolex Datejust The story of the Rolex watch is inextricably entwined with the story of Hans Wilsdorf, who co-founded and personally drove forward the progress of the company, and the technical developments that led to the public acceptance and expectation of an accurate, waterproof, self winding wristwatch. Many other companies and individuals contributed, and there were waterproof and self winding watches before the Rolex Oyster, but the fact remains than Wilsdorf is an important figure in the story of the modern mechanical wristwatch.

The Vade Mecum takes the form of four small booklets in a slip case, and was printed in a limited edition of 1, All four booklets are stamped “Rolex Watch Division, C. Box , Tokyo, Japan” so I guess they must have all been in the same office at one time and one got switched around. If the owner of Rolex Vade Mecum reads this and wants to swap volume three, then please get in touch!

If you have any questions or comments, please don’t hesitate to contact me via my Contact Me page. His mother’s early death was soon followed by that of his father and in , when he was 12, his uncles decided to liquidate his father’s business and use the proceeds to place the children in a very good boarding school in Coburg. Wilsdorf showed a particular liking for mathematics and languages, which drove him to travel and work in foreign countries.

He apprenticed at a firm of pearl exporters whose sales organisation covered the whole world, which experience he felt was invaluable throughout his whole career. In , aged 19, Wilsdorf started work at the major watch exporting firm Cuno Korten in La Chaux-de-Fonds, Switzerland, as their English language correspondent and clerk at a monthly salary of 80 francs. La Chaux de Fonds, along with Geneva, formed the hub of the high-quality watchmaking industry at the time.

Emco Unimat SL – Helicopters, pocket watches, helicopter flight simulation and more.

It is a small selection of often unidentified old movements that I have been able to positively identify. I don’t intend to show movements with their makers names on them, because they are already identified. The idea of this page is to try to identify otherwise unknown movements found in the type of watches that I collect, which are principally Great War era men’s wristwatches with 12 or 13 ligne movements.

It is often difficult to identify movements from the shape of the top plates or bridges alone. Although some movements such as the IWC calibre 64 leap out to the experienced eye, other are less easy because of similarities between the products of different manufactures, and manufacturers altering bridge shapes for different customers. In fact, the apparently huge variety of Swiss watches is explained by this phenomenon:

Military Timepieces: Watches Issued to British Armed Forces A. Taylerson, ‘Horological Journal’ Sept./Oct. (British Horological Institute). A. Taylerson searches voluminous Military archives to list timepieces issued to The British Armed Forces.

Below are some pictures of the movements in some of my watches. Swiss made, 15 jewels, circa ‘s. USA made, Hz, circa The Bulova Accutron was the world’s first electronic wristwatch movement, utilising the high frequency vibrations of a tiny “tuning fork” rather than the oscillations of a mechanical balance wheel to regulate timing. These were issued to the British military during the Second World War and on into the ‘s. Soviet made, LCD quartz, circa late ‘s early ‘s. Elgin Grade Pocket Watch: ESA Dynotron Series: Swiss made, 13 jewels, electronic balance wheel, circa early ‘s.

I’ll do that next time I change the battery! Swiss made, 25 jewels, automatic, circa ‘s.

Movement Identification

Another British Military watch on the blog this time, and something of an enigma. The watch is very similar in style and size to the W10 made by Hamilton from and subsequently by CWC from and it shares all of the attributes required to adhere to the strict standards for military use. The case is opened by removing the crystal and splitting the two-piece stem, and inside is a 17 jewel, manually wound calibre made by A.

It has a higher beat rate, 28, bph as opposed to 21, bph, and also has a micro-adjustment mechanism mounted on the balance cock for more accurate regulation. Here is a picture of a cal.

Old and Antique pocket watches for sale dating from the mid- 19th Century to the mid- 20th, near Oxford and online. Including American railroad watches and vintage English, Victorian and Swiss watches.

Click to enlarge BTCo. The RolCo brand name was registered on 15th September and, like Marconi, Unicorn and other brands, was used for watches at lower price points than the top line Rolex branded watches. The image in Jobin shows a basic grade of this movement with no train jewels but with “Bouchons” “dessus” and “dessous” above and below , that is brass bushes instead of jewels in the top and bottom plates. The RolCo movement is fully jewelled with 15 jewels. Watches with Rolex’s “other brands” on their movements such as Marconi, Unicorn or RolCo, are often described as “Rolex watches”, but this is not what Rolex would have called them.

There was often no secret that they were supplied by the Rolex Watch Company, but they were not called or branded Rolex watches, they were called Marconi, Unicorn or RolCo watches by Rolex themselves and if any name appears on the dial it should be the same as the one on the movement. This is discussed in greater detail at Rolex’s other brands. Back to the top of the page. Click to enlarge Longines Click to enlarge Introduced in , the Longines Often they do not carry the name Longines visibly, but the movements are quite easy to identify.

The calibre number If you click on either of the pictures here and get an enlarged view you should be able to see the The shape of the plates and bridges is very distinctive.

Bueche Girod

Having a distinctive almond shaped skull with characteristic stalk-like projection resembling a pear and giving these helmets their name cabacette. Many of these were held in English church armouries from the time of the Armada, and examples were taken to the New World by the earliest English settlers, one has been found during excavations at Jamestown Island.

This is a pleasing example, the rosettes and plume holder being restorations. In all a handsome example of munition armour of the late 16th Century. In addition to being a being a famous writer, Scott was also an antiquary who assembled an important collection of arms and armour.

SEIKO s IMPERIAL NAVY OFFICER’S WATCH WITH ANCHOR DIAL WW2 An extremely RARE, CUTE & NICE SEIKO World War 2 IMPERIAL NAVY OFFICER’S Military .

The Fallacy of the “Maker’s Mark” Before sending an item to be assayed and hallmarked at a British assay office a person must first register their details with the assay office they want to use. The reason for this is pretty obvious – the assay office needs to know who to charge for their services, where to return the items, and who to hold responsible and punish if an item is found to be sub-standard, which in earlier times included sentence to the pillory.

This person is called the “sponsor”, which in this context means the person who takes responsibility for the items submitted. The sponsor does not need to be someone directly involved in making the items that they submit for hallmarking. An item will not be hallmarked unless it carries a sponsor’s mark, this is a legal requirement.

At one time the sponsor or maker of the item stamped the mark, but now the assay office will hold a punch on behalf of a sponsor and stamp the sponsor’s mark.

How To Set The Time & Date On A Watch


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