Stainless-steel is unquestionably one of the most common of watchmaking resources for outer craftsmanship, and delivers attractiveness, energy and affordability. It requires the melting of your raw material working with oxyhydrogen flame and the crystallisation of the melted droplets to form a cylinder. Graded 9 on the Mohs-hardness scale (graded https://www.watchesworld.com/top-10-dive-watches/