What I usually do, is every couple of years I take them to my AD for a nice polishing. Usually runs me about $75, but the watches (I KID YOU NOT), come out just as good as the day I first got them. Kind of look at it as a day at the SPA

Mondo : Laredo, Texas. (USA)
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Attn Fellow Paneristis:
Please Dont forget to put your location, so when Paneristis post, we will know from what corner of the world we are getting responses from.