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Hi Murks, I would just measure the old spring and order a generic one closest I can to size. Especially on thickness and height, length doesn’t matter so much as long as the difference isn’t huge. Tom -
As it’s Seiko have you tried a search in cousinsuk crystal section using the case reference? Tom Had a Quick Look, 310W13GN00 looks like the part number you need but every listing I have found is a discontinued line. You might want to measure up the one you have and look through the sternkruetz catalog, here is a download link http://www.sternkreuz.de/accordion/assets/Sternkreuz_Gesamtkatalog G22.pdf Tom
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By rjenkinsgb · Posted
I've got a similar one, but never had to use it yet. I would try a couple of M4 (or whichever) washers under each blade, and possibly longer countersunk machine screws, either hex or torx drive so the blades can be really solidly locked down. It does not appear there can be much depth of thread in the blocks above the slide shafts, so matching the screw length to the blade height is probably quite important. -
By rjenkinsgb · Posted
Don't the holders have different sizes front & back? I started out with some cheap cast metal ones, but had a lot of trouble with the movements coming loose, so I got a pair of Bergen ones from cousins, a 4039 and a 4040. Those a well made, properly machines and between them they cover from around 10mm up to all the pocket watches I've had so far. -
By levic900rr · Posted
Hi Friends, As you might have seen yesterday I'm on to my second restoration and its a Seiko from the 70's (i'm pretty sure) I need to source a new Crystal but I'm struggling to figure out how to identify what type it is. (I did some forum searching but couldnt come up with anything) I'm pretty sure its mineral glass (and that lines up with what I've read online) the outside is flat, there is a pretty good sized bevel around he outside edge, but the inside is surface is concave. It measures 31mm in diameter, and at its thickest (around the edge) its 2.1mm. I was hoping to hop on Esslinger to order up a replacement but that hasn't worked out. I can't find anything of this style. Any ideas? Thanks so much.
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