GB/T 20215-2006
ActiveTimekeeping instrument - Wristwatch-cases - Fixing dimensions of non-spring-bar types
计时仪器 手表壳 非弹簧表带栓型连接尺寸
Application Summary AI generated
This standard specifies the fixing dimensions for non-spring-bar types of wristwatch cases, ensuring interchangeability between watch cases and straps or bracelets. It is applied in the manufacturing and quality inspection of mechanical and quartz wristwatches, particularly for designs using screws, pins, or other rigid attachment mechanisms. The standard facilitates compatibility and assembly consistency across different watch brands and component suppliers.
Related Standards
GB/T 20408-2006
Radio controlled clocks
GB/T 4028-1994
Timekeeping instruments--Symbolization of control positions
GB/T 9820-1988
Horological basic vocabulary--Technical and scien-tific definitions
GB/T 6877-1986
Classification， terminology and numbering for parts and assemblies of the mechanical time measuring instruments--Classification， terminology and numbering for parts and assemblies of wrist watches and lever escapement alarm clocks
GB/T 4048-1983
Wristwatch cases--Dimensions of fastening elements for bracelets
GB/T 17929-2007
Quartz clocks vehicles
GB/T 9820.2-2008
Horological vocabulary - Part 2: Technical and commercial definitions
GB/T 4048-2008
Timekeeping instruments - Wristwatches - Dimensions of bracelet-to-case fastening elements
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.