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I have this 1929 Lngines Cal 13.33Z with a certificat of authenticity from Longines. The cown is original.

Thanks for the response back. Here are a couple of photos of my dad in the early 50s working at his watch bench. This was before he owned his own jewelry store.

Here it is back in the case. Crystal polished up nice. Pretty little thing.

Hi, I have this watch from the 30s, that belonged to my grandfather. I showed it to an expert and he told me it has the winding crown that is not original. Can someone help me finding the correct winding crown ? Many thanks, Nick.

Here they are - good hunting.

Are we talking about the A or B version? Then what's interesting is for a throwaway watch that can't be serviced why is there a technical sheet for it? I thought usually when things aren't supposed to be serviced they don't have service sheets I've seen this with citizen for instance. When you finally do find the service sheet it says send it to us don't even think of touching it. Here they show how to disassemble it and they even give you part numbers which yes I know doesn't mean they actually exist but they claim they exist or might have existed at one time perhaps? 7T32A.pdf

Hi A nice selection of what one would call vintage tools, A stake , pivot drills, collet vice( balancespring) pin vices, case opener, presto hand remover, balance spring cutting tweezers, Hand gauge crystal gauge, a collet set which looks like its for holding items in the clamp. and a selection of timing washers for balance poising. Glad you are not selling them they have some history and as such best kept in the family.

I would check the spring itself first before moving the collet or roller. They are normally very tight so the change they slipped is really minimal. is the bridge for the palletfork oke?if one side is off, damaged you also create a beat error, same if one pallet has moved in the fork. I would change this too first with another set before turning the collet etc. Afterall, you not want tp correct an error by making another error.

Hi It sounds very much like the pallet/fork jewel you put back is not set right causing a miss lock on the escape wheel, There are two things you can do , one is ti reset the pallet jewel or tow and probably the quickest is to find a donor movement on ebay as swap in the pallet/fork. adjusting the jewel can and probably will take an age without the propper tools.

If it refused to come off, your next choice is turning the roller table, yes it does affect the poise.

I recently had exactly the same problem with an ETA 2789 movement. I don't understand how it ended up so far out - a new balance would be close enough? See here : https://www.watchrepairtalk.com/topic/18380-does-hairspring-on-eta-2789-just-lever-off/ As the collet doesn't have a slot to rotate, I didn't know if they are easy to lever off. Which is why I posted the question : The answer (thanks @nickelsilver ) is they just lever off as usual.

I have never had to move one of these collets. I would say the safest way would be to remove it and re- install it..

It's obviously just something for collectors who usually buy watches at multiples of the price of this tool box. Notice the watchmaker they had check out the tools is using a Weishi timing machine, hahaha; no professional watchmaker would ever remotely consider spending this kind of money on tools just because they come in a fancy box with ebony handles. You could buy a Greiner ACS 900 cleaning machine and a Witschi X1 with Micromat for this money, and have the best cleaning and timing machine on the market- and they are truly worth it in a professional environment (my Witschi is 15 years old with about 20,000 cycles on the Micromat and works perfectly, my Greiner ACS is 25 years old with countless cycles, works like brand new).

I'm getting really annoyed with what seems like increasing levels of dust on my workbench so I bought this, hopefully it will do something: I find loads of 'dust' when using my microscope but the worst culprits seem like microscopic plastic fibres. Fingers crossed the HEPA 13 filter will collect them.

Regarding space, I'm under the impression that it is only getting cheaper. But my bias is that one of my siblings is a principal engineer at Amazon, and another one is high up in the enterprise support structure in a company that sells NAS systems. I hear that my ISP (XMission Internet) is excellent too, but i have never had an idea worth paying for hosting. I had forgot about that search screen - been years. I kinda wish there were a simple way to restrict by size, complications, etc. I dunno, maybe I'm underthinking it.

I just bought anotther one during the Black Friday sales but it's yet to arrive. I got the one with a airborne particle counter. You can see the numbers go up the moment you move around in the room. And if you do any grinding, the numbers are really scary.

superglue (cyanoacrylic) .

I thought we answered this question? Here's a popular place to look and it's free http://cgi.julesborel.com/ The new find your watch you end up here http://cgi.julesborel.com/cgi-bin/matcgi2?ref=BUL_11ANACD Then you click on your part number http://cgi.julesborel.com/cgi-bin/matcgi2?ref=Yc^DiiotUIfZgio Which tells you you're screwed there is no cross reference Discontinued and no cross reference. The problem is how popular was this part? Then one of the moderators did this to somebody asking a question so I will torture you with the same answer have fun reading. Then set up a search on eBay sooner or later almost everything shows up on eBay it might take a while. I remember were I will work as a watch that just needed a stem it took almost a year to get all the components for a variety of interesting reasons. The parts are out there just takes a while to find them or have them show up on eBay you feel lucky. If it's a part that broke a lot https://www.watchrepairtalk.com/topic/14621-parts-availability/#comment-168106 Then following the procedure above it looks like the answer is no http://cgi.julesborel.com/cgi-bin/matcgi2?ref=Yc^DiiotUIfZgim There is still a minor possibility that it does cross reference to something probably Bulova problem is we need a Bulova cross reference book I wonder if such a thing existed? This is the problem and watch repair is that not all the technical documentation filtered out of the factory. There just isn't a cross reference for every single watch your data Booker sheets a technical guide. It's the challenge of watch repair finding parts

Got it with my recent box of watches: FHF 69-21 I thought it would be more difficult than it was. I didn't even take pictures...LOL. Sad that these petite watches are unloved.

Just finished one of these movements in an Avia ladies watch. Was impressed how well made the movement was. All parts nicely polished and even had adjustable beat error on the regulator. Got really good amplitude and zero beat error after a bit of fiddling. After letting it settle down through a full run time cycle (46 hrs!) and another full wind there was no discernable gain or loss over 36 hrs, very impressive. Not got any pics unfortunately. Only downside was single top plate for barrel and gear train, so a little delicate fiddling required. I do lot of ladies watches, small calibers, so now used to the very small parts. Makes larger calibers seem massive afterwards!!!

Worked on a few ladies watches. Don't think I could do it if I didn't work under the microscope. One was the only Rolex I've serviced, a Cal 2230, 20mm dia. automatic. Gave me palpitations handling the balance But it was a beautiful movement to work on. It's the only movement I've worked on that didn't need any adjusting after a service. The hardest I've worked on is an Omega Cal 455, 16mm dia, automatic, with a sweep second. Very fiddly I still have it, waiting for a new balance, as I trashed the hairspring trying to adjust it. The hairspring is about 3mm diameter, so even with the smallest tweezers, it's not really possibly to tweak it (well not for me)

I have seen and heard of several variants of this cap jewel cleaning method, but none of them have felt really safe so I invented my own variant and was so happy with it that I recorded a video of it. Hope you like it and get use of this "safe" method for cleaning cap jewels.

Depending on your location, UK Cousins uk watchparts, A.G.Thomas, Gleave and co. USA Jules borel, Esslingers , Timesavers, Canada Perrins. there are others that you will find via google. Also on ebay there are dealers, one. I use is watchfanuk, always helpful. Esslingers web site has a tutorial on measuring and fitting crystals. always worth a look. When ordering parts you will need the movement makers name/logo (found under the balance usually) and the caliber number

I got through 'The Practical Watch Escapement' ok but it was his attempt to aim something towards younger readers! I gave up on 'The Art of Breguet' and 'Clocks and Watches' and now after reading almost every other horology book I could find I'm giving 'Watchmaking' another shot. Best watchmaking books might be a good topic on the forum? I think I've found the best ones but I'm usually proved wrong. My choice would be Hans Jendritzki, The Swiss Watch Repairer's Manual.

I would agree with that assessment. His writing style is very much not something for light reading lol. I would not have wanted to have been his editor as I can imagine he was very stern with manuscript changes.

All of George Daniels' books are quite difficult to read.

The watchmakers apprentice was a very well put together documentary, at least from a production standpoint. I think it was a Kickstarter project originally. I'm not sure what you professional watch people all thought but I certainly enjoyed it. What I liked it how interesting a story it wove without being unapproachable. I didn't know of George Daniel's before this, but did know of the Co-axial movement of his. It is certainly worth a look if you have an Amazon Prime subscription. Jonathan Rhy's Davies narration adds that touch of theatrics too and makes this a well rounded enjoyable watch (pun intended)!

the above statement isn't entirely correct? A lot of this depends upon when you learned watch repair. for instance in those dark ages before the Internet when I learned watch repair in the city of Seattle we had four separate material houses. Where typically as students we would call up to get stuff at least for the classroom projects. But as far as buying our tools and stuff we would go downtown and go to the physical material houses. This way you got to know the material houses the reason I bring up the experience of physical material houses and going there or telephoning is that some of this material houses still exist. One of the original material houses when I started is still Blair multi-generations of family later. then Bob who worked at all of the material houses started his own crystal cutting business and then expanded it into a material house. His daughter is still running that material house. Now as far as I know neither one of these material houses does online business you either physically go see them or you email like I occasionally do or telephone. Where I work they continuously telephone and then usually towards the end of the week shall send us a package. Now the reason I bring this up is that means there are material houses out there that are not online and you cannot do the same search like everybody else because you do not know these material houses exist. But in this generation basically the above statement is correct everybody does the same searches the outcome is different if you grasp what exactly are searching for and how to figure out what actually you need versus the more generic where conceivably you will not get what you're looking for then of zero help all is there are watchmakers out there that still have relationships with the various watch companies that absolutely hate hobbyists and they can order parts direct. But that is slowly being trimmed away and even they spend a lot of time looking at eBay and looking online exactly the same as everyone else here.