GB/T 34839-2017 in English

This standard provides specifications for the design and dimensions of the handle and sealing tube of timekeeping instruments. It outlines the structural requirements to ensure compatibility and functionality within the industry. The document includes detailed measurements and guidelines for manufacturing processes. It also covers the necessary testing procedures to verify compliance with the established criteria. The standard aims to promote uniformity in product development and quality assurance. Additionally, it defines the terminology and classification methods used in the field. The information is structured to facilitate understanding and application across relevant sectors.