Precision Mechanics

Stay ahead in the precision mechanics and jewellery sector with this in-depth overview of two critical international standards published in November 2025. Discover ISO 19919:2025, focusing on the determination of silver in precious metals using ICP-OES, and ISO 16359:2025, introducing harmonized practices for demonstrating chemical compliance of wrist-watches. With each standard’s key requirements, practical compliance strategies, and direct links to authoritative sources, this article offers valuable insights for professionals in jewellery making, watch manufacturing, quality management, and regulatory compliance. Learn how these specifications advance quality, ensure consumer safety, and streamline certification for global markets. Whether you’re an engineer, researcher, or compliance officer, you’ll find actionable information to support product excellence and risk mitigation.