MRMW is a Japanese vintage military watch brand produced by Montrerolli Co., Ltd.
Montrerolli Co., Ltd. was established in 1893 as an original division of Muramatsu Watch Manufacturing Co., Ltd. The company's motto is "Creating watches that will be loved forever." Three brands complied with this.
''PRINCE'' is a brand of Japanese watches that preserve tradition, ''KEYFORD'' aims to create antique watches for the next 100 years, and the newly launched ''watches that faithfully reproduce classic vintage military watches from around the world that are easy to use'' This is MRMW.