wls1971

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wls1971 last won the day on March 20

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About wls1971

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  1. You have to do your research when dealing with watches of this vintage on the bottom plate of your watch there are 2 markings one is a triangle made up of a A and M so that tells me that its a Adolf.Michel movement, there is also a second symbol shaped like a shield this is a Ebauches Trust mark also know as Ebauches S.A which was a small group of movement manufactures who in 1926 set up a partnership to pool resources in developing movements in order to survive against larger manufactures Adolf.Michel was one of the founding members of that group, the mark on your watch was fairly short lived and ran from 1936 to around 1939 so your watch movement dates from that period. It looks like a calibre 273 from the dial side so you need to measure the width of the movement and confirm its a 12 ligne movement if so that would make it a calibre 1710 finding info on watch movements of this vintage is very hard finding parts is almost impossible, for a positive identification you will probably need a Bestfit book to check but you have been given enough information for you to do your research. Other things I can tell you about your watch are that it is a British military issue watch issued by the Hydrographic Service to the Fleet Air Arm so you maybe better doing more research along those lines, I think I have a reference book with this watch in, but I am at work at the moment so will look tomorrow when I get home, Wayne
  2. The cal is a 1710 which is a modified 12 ligne cal 237 which is a non chronograph cal but the setting parts will be the same as the 1710.
  3. The movement is a A.Michel S.A Grenchen usually just prefixed as A.M movements the teeth look not to be meshing correctly as opposed to excessive wear so more a problem with the setting lever than the wheels it looks like to me
  4. You have a number of options open to you, try and find a National electric complete basket off the bay but I think you would have more luck finding a bag of rocking horse poo than that. The national uses a three prong bayonet fitting that is 80mm across, the basket fits to a shaft with bayonet fitting that is connected directly to the motor. The photo above shows a National basket compared to probably the most common type of basket which is a Elma basket these are approx 70mm across, the dividers from the elma will fit snugley into the national basket so divisions can be created in the basket using these, I can with my national basket create 3 useful layers using elma dividers. The Elma bayonet fitting is not wide enough at 70mm to fit directly to a national machine, but you can remove the shaft and fitting from the national by loosening the grub screw that hold the shaft to the motor and replace it with a Elma shaft and fitting again held in place with a grub screw, this would allow you to use elma baskets and dividers on the National machine, you can also buy useful little baskets that will fit in your National such as these, http://www.ebay.co.uk/itm/16mm-Brass-basket-parts-holder-ultrasonic-cleaning-mesh-screw-type-watch-tool-/301581103372?hash=item4637a2710c:g:hpcAAOSwhQhYxwhS Complete baskets and dividers can be bought for elma type machines new such as this, http://www.ebay.co.uk/itm/Watch-cleaning-machine-janta-pearl-brand-spare-parts-bottles-and-baskets-/291879006669?var=&hash=item43f55831cd:m:mp1w4YBMDAelzeQs1e3Twkg I am of course providing this information assuming that your National machine has the original basket and shaft fitted, so a photo would be useful of your machine to confirm, you will have to at any rate to keep your eyes peeled on the bay but with a little adaption your options are open in order to have a useful machine.
  5. If your changing a balance complete you should not need specialist tools beyond screw drivers and tweezers if rogat63 hasnt got one available there are some listed on ebay, http://www.ebay.co.uk/itm/AS-Complete-Balance-Cal-984-Part-721-/222463092761?hash=item33cbd56819:g:dWYAAOSwB-1Y45Bw or you could find a donor movement
  6. You almost there with your diagnosie of the problem, you have correctly identified that the balance has too much play and is not sitting right in the lower jewel that is because it has a broken lower pivot and needs replacing, but that would require the correct tools to replace, or the other option is replacing what would be termed the "balance complete", staff, balance, hairspring and roller as a complete unit. the jewel is a cap jewel and is held as you say in a holder held in place with the screw.
  7. It is a very nice clock but must be somewhat of an odditty, to have a English made clock made specifically for the American market The seller states its from the 1840's what are your thought on the dating of the clock to me it looks to be from the early 1800's, An intresting feature of the painted dial is that the ship appears to be flying a Colonial ensign maybe a little dig by the dial painter that America was once a colonie ?
  8. Click the link this will bring up the A.S parts page at the top there is a box for you to type the caliber number press the look up button next to it when you have entered the number then select 1320 at the box at the side when it appears then on the next box down which says swiss parts description do not type anything in the box but click "search all "then click the red "search for items" box this will bring up a complete list of parts for the A.S 1320 the escape wheel is a AS1320 705.
  9. https://www.cousinsuk.com/category/as-movement-parts
  10. Parts seem to be plentiful on the cousins web site an escape wheel is listed at £12.94 and pretty much anything else you may require is still available
  11. The model is a 7810" Tudor oyster prince 31 junior " due to its small size case the Rolex calibre number for this tudor is a 1411 and is as already stated a A.S 1320
  12. The movement is a Cyma Tavannes and the patent number refers to a negative set stem system developed by them and as oldhippy has stated it is similar to those found on some American pocket watches.
  13. When trying to repair a watch like this it is best to look at the watch under a loupe to determine if there are any obvious breaks in the case, i.e obvious bezel or back to the case, if not the watch is probably a front loader which means the movement complete with dial comes out from the front of the watch after the crystal and stem have been removed. The crystal on this type of watch is either a crystal that needs to be removed with a tool called a crystal lifter or as already stated by Geo popped out with compressed air. The stem will probably be what is termed a split stem which is in two parts it is pulled out from the side leaving half the stem attached to the winding crown and half in the movement..It could also be a stem that is held in place with a catch at the side of the dial once the crystal is removed but in most cases it will be a split stem. Before attempting to remove a dial the hands should first be removed again with the correct tools called hand levers When removing a dial forcing anything is a bad idea you could easily bend or damage a dial using any amount of force if you look at the under side of the dial on your watch there are two prongs sticking out from the dial these are called dial feet and they fit into holes on the main plate of the movement, the dial is held secure usually by screws that come in from the side edge of the movement gripping these feet, on older watches particually with enammel dials they can be held with screws between the plates, but in the case of your watch it will be from the side, so remove the dial you just loosen off the screws to release the grip on the dial feet. Observation is the key to working on watches you are unfamilliar with look and look again before you act
  14. Its a decimal stopwatch used for calculations particually in time and motion studies
  15. I have based my observations about this case on the following, although the case back may snap on and off, the back seems to have a thread running around the inside, please look at the back carefully under a loupe to determine if this is the case, because snapping it on and off may eventually strain the back to the point of it no longer fitting correctley, The case is a silver case but there appears to be a diffrence in the metals looking from the back of the watch with a clear ring around the movement again look very carefully at the edge of this ring under a loupe the high res pictures you have supplied appear to suggest to me a thread The screw looks to be some kind of dreadful bodge carried out in the past and is a badly mauled plate screw and it appears that someone has drilled a hole next to it and inserted the movement retainig screw there