Electronic wrist and pocket watches
|
Electronic-mechanical wrist and pocket watches
|
Electronic mechanical quartz desktop and wall clocks and alarm clocks
|
Horology shock-resistance watches
|
Horology. Antimagnetic watches
|
Horology. Water-resistant watches
|
Wrist and pocket electronic watch. Parameter measurement methods.
|
Electronic digital clock. Terms and definitions.
|
Table and wall self-powered electronic clock. General specifications.
|
Table and wall electronic clock with AC adaptor. General specifications.
|
|
|
