前田時計寳石店 - Maeda Clock and Jewelery Store
was active in Harbin during 1930s/1940s and still in business.
MWC - Maeda Watch Company
http://maedatokei.com/
It was reestablished in Kagishima on June 10, 1952.
The current logo of workshop still uses the image of Saint Sophia Cathedral, Harbin...