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During the early part of the 20th century with the miniaturisation of watch movements many novelty items where produced all by very well respected watch manufactures and jewellers, penknives, keys, ladys compacts, cigarette lighters all at one time where produced with watch faces utalising movements normally used in ladies cocktail watches. In my collection I own one such novelty a propelling pencil made by Carl.F.Bucherer and produced in the mid 1920's, these pencils can be found with various names Cartier, Dunhill and Rolex. The Rolex ones where made by Bucherer for them and are extremely rare. The one I own is signed Bucherer and is made from solid silver they where also produced in 18ct and 14ct gold and some of the silver ones where enameld with various designs. I have seen two versions of the basic design of these watches one version has the watch permantley on display at the top of the pen the other has a hidden watch which is revealed by releasing a catch on the side of the pencil releasing a spring so the watch pops out of the top. The pencil is around 5 and a half inches and the watch face being oblong in shape and measuring 9mm by 15mm The watch part of the pencil can be pulled upwards and then unscrewed from the main body of pencil this reveals a hole into which the pencil leads are placed The watch part is held together with a screw on the top or in some cases a loop attached to a chain so it can be worn around the neck, undoing this allows the back to be taken off inside is a high quality 15 jewel movement it has proved to be very accurate the only problem with a oblong faced watch of this size is it can be extremley difficult to read at a glance The whole thing is beautifully finished with engine turned detail throughout the length of the watch, the pencil lead is deployed via a twist mechanism at the tip It is a fine example of the craftmanship of the era in which it was made it would have been very expensive in its day to buy even though being meerly a novelty. The only difficultey I had with this watch when purchased the crystal was broken in two, I could not find one of the correct size so ordered the next nearest from cousins it came about a month after ordering I then had to file it to size. Wayne

Not exactly combining the two but I did build a custom strat once - it was fun, but i ended up taking it to a pro in order to adjust the neck and frets, he did an amazing job.

Don't think the parts from the 2824-2 would work in a 2451? The wheel doesn't look the same? Found this on Ebay http://www.ebay.com/itm/Lot-of-3-ETA-cal-2451-2452-2453-watch-movements-for-parts-or-repair-/361869659633?hash=item54411ccdf1:g:f7kAAOSwjDZYa6lo Maybe that would be a good deal? instead of replacing the jewels? There is even an driving wheel with cannon pinion on one of them.

Stuart you are a star, very niceley explained and easily understandable so much so that I will use your method for future springs that I need for ancient pocket watches. One final question, I will have I will have a look myself across the net, but would you know the correct size spring for a 16 size waltham traveller?

Sent you a message, some pictures would be good, just had a look on google and it does look a very close family member to a 2824, I wonder if any wheels or parts would interchange with it. How many beats per hour is the 2451 calibre?

Isn't the 2451 like a 2824-2 ? It's a driving wheel with a cannon pinion in? If so there should be no problem? The cannon pinion with driving wheel should come as one unit? And would just drop into place? No force should be needed?

If there is no centre seconds then I would just sit it on and push down with the back of my tweezers, make sure you oil/grease it first and put the minute wheel on after then you won't damage any teeth. One firm push should do it, are you sure it's not too slack and you are trying to push it on too far?

My Dad repaired watches for half a century and played lead guitar and mandolin on weekends for just as long. He made both look easy... My sisters and I sometimes helped him pack up his instruments after a gig. One time, my sister put his Les Paul behind the car... he thought she'd put it in the trunk (boot) and he backed over it. Yikes!!! He bought another guitar and gave the broken guitar to his friend, who rebuilt it and played it for years. By some miracle my sister is still alive.

That is just ordinary Seiko movment, I have never done this on the cronograph. Im working on a 6139 now, but I had to get some parts, so the work have stopped up a little bit... VTA you say....du you have a link, and also for the Omega caliber 1861 ?? How is it in Sweden? Seen somthing of the spring or??

This scope currently is selling on Ebay for $359.00 with free shipping in the USA. It is a trinocular which allows hookup to a computer. With that you can snap pictures of the watch as you disassemble it. This will help you work on watches with complications when you reassemble the movement. It offers a zoom up to 45X and has a 4 inch (100mm) working distance. http://www.ebay.com/itm/7X-45X-Trinocular-Stereo-Zoom-Microscope-with-Double-Arm-Boom-Stand-/400429169541?hash=item5d3b703b85:g:dMMAAOSwMVdYENVr david

That's it George, if you are starting to flirt with other men we are finished ! [emoji6] Cheers, Wentworth

Watch Louis Rossmann's videos on Youtube for sage microscope buying advice. He talks about microscopes for electronics repair but the concepts and necessary functions are the same for watch repair. I'll post the Youtube identifiers instead of cluttering the thread by imbedding the videos. C_eQrbop-J4 and m4LaZsS5V7s. Use the search function in Youtube to get to the videos.

Looking good Micky, the t shirt's not half bad either! Did I get that the right way around???

Ok, so for a 14mm barrel, the calculator says the mean spring thickness would be 0.17mm and length 439mm. A 0.24 thick spring will give more power, but will have to be shorter to fit the barrel, and is only going to give you 4.5 turns, so unlikely to run for more than 20 hours or so. You aren't going to find a spring this size so you would need to cut one down to get this if you really want to. I would be inclined to use the thinner spring which will give you the right number of turns. Cousins search is working again now... not sure if it was me or them. There are very few 1.95 high springs, so in the 1.9 range, GR5607 is your closest bet, assuming you need a regular hooked bridle end spring, or you could use 5616 which is slightly thicker at 0.18mm. I would still check the barrel depth to make sure you can't fit a higher spring. If a 2.0 will comfortably fit then you could go for GR5853

Anthony buy it you won't regret it..... it's a ace book

...pardon me while I get my Elmasolvex running to wash that puny jewel... Are you serious? It takes a couple of hours for me to clean a movement - pegwood, brush, ultrasonic, naphta, IPA, etc, etc... And you are just flashing this Elmasolvex in front of us? You want us to drop dead, or what? I seriously envy you! p.s. congrats on your Elma, I hate you!

For the last weeks I have I tried soaking the bridge in degreaser and isopropanol for some time and then using compressed air to blow it clean. No luck. However, recently I bought an Elmasolvex SE and yesterday I received my Elma cleaning fluids. After one clean/rinse/dry- cycle both holes are spotless. God bless German quality machines :).

Its a caliber 630 center seconds without shock resist, a caliber 645 would have shock resist, as you have already worked out its a auto movement with the automatic mechanism removed the whole watch sounds like a bit of a franken.