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the perfect watch specification
From a technical point of view, based on the 7 factors included in this article, we can now summarize the perfect watch specification for replating a watch with gold:
a. removal of all of the old plating, scratches and surface imperfections including all pits.
b. refinish and repolish of entire watch surface.
c. underplated with a layer of bright copper.
d. underplated with a layer of bright nickel.
e. gold plated thickness of 5-7 microns on primary surface, 3-4 microns of gold in all recessed areas of the watch case.
f. gold hardness of 110 knoop to 130 knoop (based on specification MIL-G-45204C grade b).
g. color of gold plating to match original manufacturer specifications
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