Impulse jewels for watches

This technical specification establishes the fundamental requirements for vibration jewels utilized within mechanical timekeeping instruments. It defines the necessary dimensional tolerances, geometric characteristics, and surface quality standards to ensure optimal performance and longevity of escapement mechanisms. The document outlines specific procedures for material selection, focusing on the durability and hardness properties essential for withstanding continuous mechanical stress in precision watches and clocks. Detailed parameters are provided regarding the shape and dimensions of the jewel components, ensuring interchangeability and consistency across different manufacturing processes. Furthermore, it sets forth guidelines for inspection methods and acceptance criteria to verify that the components meet the stipulated technical conditions. These specifications aim to facilitate uniformity in the production of high-quality timepieces by providing a clear framework for manufacturing and quality control. Adherence to these guidelines supports the reliability of horological devices by maintaining the integrity of the critical moving parts that regulate timekeeping accuracy.