Today, people know Cheap Copy Rolex Oyster Perpetual Day-date 118238A-83208 Gold Watches, but they are used to using different numbers to define the chromaticity –3N pink gold (pure gold content of 75% plus 13% of silver plus 12% copper), 4N pink gold (pure gold content of 75% plus 9 % silver plus 16% copper), 5N pink gold (75% gold content plus silver plus 4.5% 20.5% copper).
You will see, the less silver, the more copper, it become increasingly darker reddish color. And the gold Day-date Replica 118238A-83208 is the 18k gold as real.
Moreover, it is confusing about the 18k white gold for many people of the misunderstanding about 18K white gold. Despite the generally difficult in color and stainless steel, platinum, etc, it is hard to distinguish, but it is still a 18k gold. However, its composition is slightly different. Wherein the proportion of gold is also still 750 ‰ and 250 ‰ the other metals, which the secret of each brand.