ETA 2759/2770 case clamp screw

[frenchie]

Hello,

I am working on a Hamilton watch with an ETA 2770 movement. When I got it, I noticed that the movement was moving around in the case. I traced it back to a missing case clamp screw. The rotor bearing was also shot (a by-product of the wobbly movement?). I replaced the bearing and gave the movement a full service, but I cannot figure out the correct part number for the case clamp screw! I have the list of materials for the movement, see below, but no idea which one of the screws is the correct one. Any ideas?

eta_2770_2772_2782.pdf

[noirrac1j]

Here is a shot from the PDF you included. It is one of these:

 

J

[rogart63]

Pictures  . Only hamilton with eta 2770 or hamilton 815 on found on google was this. http://www.hamiltonchronicles.com/2013/06/1973-517-selfwinding.html

[frenchie]

Looks a lot like what I have! Green dial though.

Pictures coming later today

[frenchie]

[rogart63]

You need a couple of longer case clamps. And 2 pieces of 5101 screws. The case clamps should go under the lip in the case. 

[rogart63]

Double post . I don't now why i could see my last post. But when i posted this it was  there. 

Edited September 30, 2017 by rogart63

[frenchie]

Screw arrived a few days ago, movement is happily secured in the case, all is good

Thank you all again for you help finding the correct part number!