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Its a bit of a mystery this watch in that it could be identified as being made by two manufactures in flume it is down as a Nouvelle Fabrique Tavannnes cal 38 which is a 10.5 ligne movement the dial side of this watch is a exact match to the movement you have in your pictures and the hand setting parts are a exact match to the ones on your movement apart from your watch as a broken setting lever spring. The other maker could be a ETA calibre 38 listed in Catalogue Officiel which is also a exact match and also a 10.5 ligne movement this cant be coincidence as both manufactures also did a centre seconds version designated as a calibre 38-1 it must have be a collaboration between both manufacturers. Just to muddy the water further Tavannnes originally called this movement a Eberle 38 Correction : I have miss read the the Nouvelle Fabrique Tavannes watch symbol in Catalogue Officiel which is a E.T in a shield as E.T.A it is definetley a nouvelle fabrique and Not a E.T.A I must get a pair of reading glasses ! I will leave the above mistake as a sign my own stupidity !

Yes, leaving the bracelet is perfectly fine. All you need is to position it to be able to look at the back and crown to spot the bubbles, if any. Also, testing above 5 or 6 bar , which is a lot already, is next to useless.

Thank You! Not even a slightest scratch after diamond. Did not allowed to get to hot and was not pushing it hard. Felt with my fingers, as it started warming i used another part of the paper. Ah the spinning speed is important! You see the DC motor in the background is a car fan motor used at 5V. It has a small plley wheel and the shank has a much bigger. The spindle is between 1000 and 2000 rpm. This is why i was posting it, i was also surprised from the result.

The one I use is currently listed on eBay for 33.99 gbp as a Blue Sky Cheers Neil Sent from my iPhone using Tapatalk

i know but its fast and easy Sent from my iPhone using Tapatalk

Line release is a novel way to release a gummed up quartz movement. However it does not offer a long term fix. I would relace the movement.

Hello for clarification - ALWAYS oil the entry and exit pallet jewels. NEVER oil the pivots for the pallet on a jewelled wristwatch. James

go to ebay, and search for , quartz line release. Sent from my iPad using Tapatalk

Most quartz watch testers have this function. It creates a spinning magnetic field that drives the watch mechanism at speed. This can be enough to break loose old crusty oil or slight corrosion and get the watch running. It's a bit quick and dirty as watch repairs go but can be very effective especially if the watch has been sitting unused. Neil Sent from my iPhone using Tapatalk

A big thanks to everyone who contributed. The case back is a snap back and I was able to find the gap and remove it with my knife and a light tap of my hammer. Karl

Link to technical information on movement https://www.manualslib.com/manual/1002179/Citizen-6000a-00.html#manual

Hello Ishima, Just replaced a movement in a similar Rotary and it was a Ronda (Cousins Ref RH785). It may be worth checking the Ronda section. Cheers, Vic

I gather you had trouble putting in the pallet fork.... With the balance spring out of the way, wind the movement up a little, and with brass tweezers barely touch the end of the pallet fork: It should swing to the opposite end quickly and with no hesitation. If it does that, then make sure you place the hairspring jewel just ahead of the pallet fork. This requires a slight rotation and manipulation of the hairspring before you tighten it. Often It will immediately start running once the pivot settles in and the jewel on the balance hits the pallet fork creating the initial impulse. If that pallet fork doesn't swing freely when gently prodded with a tweezer, take it out and inspect it. P.S. Love that profile pic. JC

It would be helpful to post a picture of the caseback! Anyway on these watches I guess it a snap back.. look around the edge and you should see a gap where you can insert a tool and twist. If you're going to do it yourself with a knife take precautions as the knife will slip easily and can seriously hurt you. 'Lifetime mainspring'.. to me this usually means a pin-lever movement. not really high-end horology but works OK. HTH Anilv

That's definitely the best option, but it's way beyond my skill set to do, and I'm sure I'd ruin it if I tried! I'm going to get those brass bushings and use them instead of the plastic one I made.

Thought I would round this one off. I bought the watch for spares or repair as the minute hands "were not working". It transpired that they were actually working but to accomplish that task you had to press in the crown for 5 seconds then release and hold it in then off they whiz. It turned out to be a Tissot Seastar Quartz, Tissot Le Locle with Caliber 2031 movement badged as 22265 which makes it 1980. It also came with original tag and box. I cleaned it up and after taking it apart because I clumsily popped the stem retainer , it is working nicely. There is a bit of patina on the face but nothing really bad and having rubbed out the ding and scratches it is not too shabby so I might get a little return on it but mainly I learned a little along the way so it was fun. All the parts are still original as well.

Blacklab, It was indeed a setting lever screw and I confirmed it by finding the technical manual on line. It is minute and I had to hone my smallest driver down to just about a knife edge. No more than 2.5 turns or you damage the train wheel bridge As you can see it is not much bigger than the end of the stem ! I will post the info I found in case it helps someone else. Thanks to all ! Now I have to get some really bad scratches out of the glass and buff out a ding on the case - such fun Cheers, Vich