How To Buy A ‘Grail Watch,’ From Someone Who’s Done It Plenty Of Times

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  1. Imperfect silvering — If the dial surface is too smooth, slick and even in appearance and there is an absence of age or tarnish on the indices, it’s possible that it’s been cleaned, which was commonly done to these pieces. Re-silvering was also undertaken, and these procedures can make the dial surface look almost new. However, they often remove a portion of the enamel print on the dial signature, and that is why examination of the dial signature is important.
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Figure 7 (Sigma dial)
Figure 8 (Restored dial)

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