Custom Brass Ins Tank Watch case

The Square watch cases to be made of Brass, the No.1 selling watch 2 years ago with Lola Rose. they called it Ins square green Watch "with green malachite dial".  so this watch case is for woman's watches. As you know, Brass is composed of Copper and Zinc, with 2 or more different metals alloy. and Copper is very ductile metal. it makes Brass is very easy and good for crafting and better equipment. its property suits the Watch cases making well. Brass to be yellowish, somehow similar to Gold. we all know the brass has the Patina after period exposed outside, it is not good in our common sense. but we don't know is the Status of Liberty's color come from Patina. why not we get the same color for Brass watch case in the nature? after wearing the Quartz watches for several months, it comes the Patina to make your watch in unique color.  and one more mistaken thought:  Patina is a protective layer that to avoid brass from actual corrosion.  Watch…