Chrome steel is absolutely one of the most traditional of watchmaking components for outer craftsmanship, and presents splendor, power and affordability. It includes the melting of the Uncooked material applying oxyhydrogen flame and the crystallisation of the melted droplets to kind a cylinder. Graded 9 within the Mohs-hardness scale (graded https://www.watchesworld.com/top-10-dive-watches/