GB/T 9820.2-2008
Active
GB/T 34839-2017
Active
National standards
GB/T 34839-2017 Timekeeping instruments—Designs and dimensions of crowns and sealed tubes
GB/T 34839-2017 Timekeeping instruments—Designs and dimensions of crowns and sealed tubes
Basic Information
Standard Code:
GB/T 34839-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Clocks and watches
ICS Name:
Comprehensive Horology
Publish Date:
2017-11-01
Implement Date:
2018-05-01
Pages:
8 pages
Scope
This standard specifies the design and dimensions of the stem head and sealing tube, as well as their tolerances. This standard applies to stem heads and sealing tubes of mechanical, electromechanical, and electronic watches with waterproof design.
Development Information
Referenced Standards
ISO 286-1
ISO 6426-2
ISO 22810
Adopt standards
ISO 10552:2014
Related Standards
GB/T 22776-2008
Active
GB/T 22776-2008 Tolerances and fits for timekeeping instruments—Tolerances of plastic parts
GB/T 4028-2013
Active
GB/T 4028-2013 Symbolization of control positions for timekeeping instruments
GB/T 9820.1-2013
Active
GB/T 9820.1-2013 Horological vocabulary—Part 1:Technical and scientific definitions
GB/T 30415-2013
Active
GB/T 30415-2013 Horology—Functional and non-functional jewels
GB/T 30416-2013
Replaced