Copper
In the watch, copper is the best thing, it is cheap, and the characteristics are extremely easy to process, it is mainly used in the movement, most of the current movement is the use of brass alloy splint. Usually we see the movement color yellow and white, yellow movement is usually plated titanium dioxide, white movement is galvanized nickel alloy
Titanium
Lightweight and very hard, anti-magnetic, anti-corrosion, has been used by many brands (OMEGA, IWC, etc.) to make the watch case. Radar folding clasp is made of titanium. Disadvantages: the price is slightly higher.
Recommended product: Sandblast Alloy Promotion Watch
Silicon
The features are hard to wear and do not need to be lubricated. PATEK PHILIPPE is now used to make the core part of the movement (escape wheel), which eliminates the need for lubricant and maintains the lowest possible failure rate.
Steel
Because of its characteristics is the most widely used case material, most watch manufacturers are using 316L stainless steel. The ROLEX uses 904L stainless steel, 904L steel is more corrosion-resistant, its price is 316L steel three times, in addition to ROLEX almost no second home, but it sometimes allergic to human skin reaction.
Recommended product 2: Minimalist Stainless Steel Men Watch
