Links

 

Sites with Good Information About China Made Vintage Watches:

Alberta Museum of Chinese Horology in Peace River

Micmicmor Vintage Watch

References:

Chinese Watch Industry Wiki

Grades of the Vintage Watches

Interchangeability of Selected 11.5"' Movements 
Shanghai Watch List 1950-1982

Shanghai ZSH Movement Date Codes

 

Chinese Watch Forums:

Watchlead.com - Clocks and Watches of China (Chinese / English)

Watchstore.com.cn - National Watches (Chinese / English)

Watchuseek - Chinese Mechanical Watches (English / Chinese)