Stainless-steel is undoubtedly by far the most typical of watchmaking products for outer craftsmanship, and delivers elegance, strength and affordability. It will involve the melting with the Uncooked substance utilizing oxyhydrogen flame along with the crystallisation in the melted droplets to kind a cylinder. Graded 9 about the Mohs-hardness scale https://www.watchesworld.com/top-10-dive-watches/