ISO 16253:2017规定了通过气相沉积工艺获得的硬质涂层的一般要求和试验方法，旨在主要改善表面形貌、耐磨性和耐腐蚀性，和/或提供接触过敏保护。适用于表壳及附件。

ISO 16253:2017 specifies the general requirements and test methods for hard coatings obtained by vapour phase deposition processes intended to improve mainly the surface aspect and wear and corrosion resistance, and/or to offer protection against contact-allergy. It is applicable to watch-cases and accessories.