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I'm cleaning my first 7S36B in my ultrasonic tank, using L&R Ultrasonic cleaning fluid. The first part I cleaned was the main plate. After 5 minutes in the tank, I pulled out the plate, and noticed that it was covered in a sticky substance. While leaving it to drain before it rinsed it, I had a look at the fluid in the jar. At the bottom of the jar were small globules of brown sticky stuff, which looks very similar to the dissolved lacquer than I've seen after cleaning lacquered brass clock plates.
Has anyone else come across this, and is it really lacquer from the plate? I've never seen anything like this with older Seiko movements.
Has anyone else come across this, and is it really lacquer from the plate? I've never seen anything like this with older Seiko movements.