http://pastport.jp/user/shijinwatch ja-JP All of them have completely independent control systems and production lines. Our factory area is about 2,000 sqm. There are 40 R&D staff members and 200 workers on production lines. 2023-02-28T17:27:33+0900 http://pastport.jp/user/shijinwatch/timeline/ANNUAL_%20PERPETUAL%20CALENDAR%20WATCH shijinwatch http://pastport.jp/user/shijinwatch/timeline/ANNUAL_%20PERPETUAL%20CALENDAR%20WATCH