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Posted

Haven't done so much as i don't now how to take the movement out . There is a little screw on the back . With that i can remove the stem . I think i will have to take the movement out through the crystal .

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Posted (edited)

 Ya you where right it was a front loader .I toke the crystal out with a  crystal remover . The Bergeon type .This was maybe not the most interesting watch to show my work on .Found out it is a simple 1 jewel movement . Just going to clean it and oil it and see if i can get it to work again . The pivots are so tiny i am scared i will brake them . Maybe i should just have oiled it and adjust it ? post-644-0-53510700-1429801848_thumb.jpgpost-644-0-89295000-1429801867_thumb.jpgpost-644-0-01877900-1429801884_thumb.jpgpost-644-0-78880300-1429801900_thumb.jpgpost-644-0-43842600-1429801916_thumb.jpgpost-644-0-64354000-1429801931_thumb.jpgpost-644-0-18170700-1429801950_thumb.jpg

Edited by rogart63
Posted

The pivots are so tiny i am scared i will brake them.

This is just the way of the wristwatch Roger, just go very carefully and do not force anything. Also when it comes to tightening the bridges, make sure everything is in place and moving freely before tightening the screws. When tightening the crews run them down with the screwdriver and as soon as you feel resistance stop and move on to the next checking that everything is still free as you go. Only when all the screws are nipped up and everything is OK should you tighten the screws fully.

Posted

Rogart that's a beauty of a watch. The movement looks like a Baumgartner (BFG) 866--as solid a little pin lever as I know. They have a 17 jewels version too, but its basically the same thing. When you have the drive gears in place, put the top plate back on and follow Geo's suggestion. Make SURE those gears are spinning freely (escape wheel is the trickiest) before you screw top plate down tightly--also don't put the pin-pallet lever in place until after that top plate is on...Easier that way.

 

J

  • Like 1
Posted (edited)

noirrac1j that i have discovered . I have all the wheels there except the escape . It's tricky to find the little little hole in the movement plate . When you have a jewel there is something to aim at . Now its just a small little hole somewhere in there . Same with the top plate .If there are jewels u can almost see thru them and line up the pivots . And i think the movement is a Baumgartner (BFG) 866 as you says .  

Edited by rogart63
Posted

noirrac1j that i have discovered . I have all the wheels there except the escape . It's tricky to find the little little hole in the movement plate . When you have a jewel there is something to aim at . Now its just a small little hole somewhere in there . Same with the top plate .If there are jewels u can almost see thru them and line up the pivots . And i think the movement is a Baumgartner (BFG) 866 as you says .  

Yes it is tricky! I have suggested to Mark a video post detailing a pin lever overhaul, as they seem to have gained some relevance on the site. The way I handle aligning the pivots and the the tiny holes is to take two tweezers (preferably brass) and use one to exert a gentle, light pressure on the top plate as you GENTLY nudge the wheels and give them a little spin to help them find their place. Sometimes I also have to use a 10x loupe to help me out, but this technique works for me. 

 

J

Posted (edited)

Back together again .Not all parts are there like the springs and so . I only put the screws in there so it doesn't glide apart . I will do the rest tomorrow . I did it like this . I put every part on the mainplate and then i lay the topplate on .Put some screws in each hole . Then aligned each wheel up so it pop in the nonjeweled hole . Tightening each screw more and more . Like @Geo suggested . Hope u understand how i mean ? 

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Edited by rogart63
Posted

Looks good Rogart!The drive gears are freely spinning when you prod them with tweezers? It looks good, because I can see the little pivot tops coming out of the top plate. Best to take a break and go again later or tomorrow. I'm looking forward to the finished product! One last note: what oils are you using?

 

J

Posted

Balance and escape wheel back together again . Had a hard time with the hairspring . The springs touch each other and it didn't run any good . Had to clean it with a brush dipped in naptha . Now it runs again . But the beaterror is high . I can adjust it to run good with a high amplitud .But it has a beaterror of 6.8 . there is no way i can adjust that ? .As it has no moving stud .  BTW anyone now which lift angle this movement has ? 

 

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Posted

Working again . this is never going to be a Cosc movement . I had forgot to lubricate the escape .When i did i runs good . 

 

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