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20130608-100-of-365 | by Wilson Hui
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The chronograph minute counter seems to not always advance, so I decided to open up my first ETA 7750. Sure enough, the chronograph wheel's spring looks like it might need an adjustment. Seeing a lot more debris than expected, and those purple bits by the cam is a bit concerning as well. Hopefully there's not a broken jewel somewhere. Disassembly is usually a breeze, but getting it all back together is the tricky part. We shall see.

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Taken on June 8, 2013