GETTING MY 錶鋪 TO WORK

Also, the movement provides a serial variety but It's not at all preceded by a "D" as are all of the chrono movements I have seen and what might be the significance on the initials "ROW" stamped over the plate?マニュファクチュール 技術とノウハウ 歴史 ライブラリー パテック フィリップ・ミュージアムCan everyone