18K gold watch how to deal with discoloration and scratches According to the factory said: 18K gold strap (shell) Contains 75% gold, 5% ~ 10% copper, silver 15% ~ 20%, made of alloy 0.75K. 18K white gold strap (shell) contains 75% gold, 11% platinum, 11% silver, 3% nickel, 0.75K white gold alloy. In addition to gold, other silver and copper metal in the air acid-base will play a chemical role, not to mention the body wearing a long time, there will naturally be high acid and alkali sweat stains and dirt. If wearing a hot spring, K gold band (shell) is more likely to accelerate the oxidation of amber. Watch worn for some time there will be some accidental impact or improper touch caused by scratches, as long as the strap (shell) appeared a trace of scratches, the whole watch will look a lot of color. Such as the watch has worn a long time, the appearance of damage or serious impact depression, can be sent to the nearest after-sales center, you can do the most complete size beauty treatment programs. Watch as far as possible not to fall or serious collision may be as the case deformation depression, lens deformation damage, according to a very precise waterproof structure failure. Here are a few ways to deal with the problem of watch scratches Method One: Available to watch service center to buy? K gold rubbed cloth? Commonly known as K gold cloth or magic cloth wipe itself. Method two: use a pure eraser to remove the discoloration of the local (can not be used with a glass fiber eraser easily scratch) Method 3: Use the traditional face-to-face materials (Hsinchu convex powder), take a soft bristled toothbrush stained with a little convex light brush discoloration and scratches strap (shell) where the effect will make you satisfied. Method four: take a soft bristled toothbrush stained with shower gel or detergent gently brush the watch with a mesh seams, rinse with water to clean the cloth and then use a hair dryer away from the 10 cm will be to dry. (It is not advisable to use toothpaste to clean it, and the fog will appear on the glossy side, because the toothpaste contains fluoride and lime.) Method Five: In terms of jewelery table, the user should pay attention to whether the jewel is loosened or not by using the toothbrush with a little sapphire to clean the dirty part of the gemstone, soak it with jewelery and finally rinse with water You can, in order to have the original glamorous look more add luster.