I’m going to have to service it; it runs but the amplitude is low and its losing about ten minutes a day!
Interestingly, the movement has “Grewaco”…
I’m going to have to service it; it runs but the amplitude is low and its losing about ten minutes a day!
Interestingly, the movement has “Grewaco”…
I have been working on repairing a 70 year old Benrus Citation Copley watch that I inherited from my grandfather. I had taken it to a watchmaker who didn’t seem to have done anything to it for the money he charged me, so I decided to learn to do it myself. It has an ETA 1220 movement.
I have it all cleaned and have reassembled and lubricated the escapement. I still have to put in the keyless works and motion…
I just bought this Seiko 7009-8279-P with the aim of servicing it to wear. I think it is from the late 1970s, but I’m not certain. I love the linen texture dial!
When I got it, it had a huge amount of beat error, 9ms, and was running 117 seconds a day slow. The crown would not push in all the way either. I opened it up and cleaned a bunch of gunk off the area where the back seals to the case. I pulled the stem and found the inside of the crown was…