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Do you have a pic of the 'snowstorm' on the timegrapher ? Does it occur if you only wind it about half way ? -
But when it's in the case, how do you get to the screws?
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By futurematic · Posted
I just took one of these apart this morning! The date stem is only held in place by the two screws (yellow arrows) and the plate held down by them. After that it will just come out if maneuvered properly. -
By Yokespring1 · Posted
I recently finished 2 1686 watches, a “Cardinal 17 jewel” and. Delaware 17 jewels.”Both had mainsprings like the one you showed. I replaced them with new style for Caravelle 10-OAC which were listed as acceptable for replacement. Both are running well. -
Hello. I’ve got this ETA 2512-1 that i just gave a service. It was running fine (see timegrapher) - maybe not as high amplitude as I wanted, but didn’t change mainspring. After I cased the movement it got completely snowstorm and could barely get a reading. I took the movement out and it was still snowstorm. I could regulate it back, but now it’s running very weak and snowstorm… My plan was to redo the whole thing, and inspect everything under the microscope It had some corrosion, before service but maybe I didn’t got it all out.. EDIT: I did demagnetized the movement after it did the strange reading. Any suggestions? UPDATE: After sitting and running for 24 hours I get this reading on the timegrapher (without regulation, that can easy be regulated to be perfect) -12 seconds 277 amplitude 2.6ms beat error Is that normal? (photo of movement is before service)
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