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Just how it is measured, and how much is too much? I have a cheapo that says it’s 35W and one from a dental lab that says 95W. The 35W takes about 15 to 20 minutes for an average bracelet. Haven’t tried the 95W machine on anything but a dirty clasp at under 2 minutes, but a clasp has all flat surfaces and no dirt holding nooks and crannies. Which would be most appropriate for watch parts?

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