Who knows if it's true, but I just read this: 'My AD let me read the Rolex training manual that is given to AD's a while back, and in there was an extensive section on Rolex having a unique alloy to their white gold that makes it more pure and doesn't turn. It specifically says unlike other watch companies, Rolex does not have to rhodium plate their gold. They use Platinum and other more expensive alloys vs. silver and other that most white gold is made with... '
and from Rolex themselves:
By operating its own exclusive foundry, Rolex has the unrivalled ability to cast the highest quality 18 ct gold alloys. According to the proportion of silver, copper, platinum or palladium added, different types of 18 ct gold are obtained: yellow, pink or white. They are made with only the purest metals and meticulously inspected in an in-house laboratory with state-of-the-art equipment, before the gold is formed and shaped with the same painstaking attention to quality. Rolex's commitment to excellence begins at the source.
Who knows if it's true, but I just read this: 'My AD let me read the Rolex training manual that is given to AD's a while back, and in there was an extensive section on Rolex having a unique alloy to their white gold that makes it more pure and doesn't turn. It specifically says unlike other watch companies, Rolex does not have to rhodium plate their gold. They use Platinum and other more expensive alloys vs. silver and other that most white gold is made with... '
and from Rolex themselves:
By operating its own exclusive foundry, Rolex has the unrivalled ability to cast the highest quality 18 ct gold alloys. According to the proportion of silver, copper, platinum or palladium added, different types of 18 ct gold are obtained: yellow, pink or white. They are made with only the purest metals and meticulously inspected in an in-house laboratory with state-of-the-art equipment, before the gold is formed and shaped with the same painstaking attention to quality. Rolex's commitment to excellence begins at the source.