4th Advanced Class of Naval Engineering School Graduation Commemorative Watch Fob/海軍工作學校工作術練習生第四期高等科卒業記念章

Private collection. Photos courtesy of the owner.

Obverse

練高 - Advance Course/Training

reverse

海軍工作學校 - Naval Engineering School

工作術練習生 - Engineer Trainee

卒業記念 - Graduation Commemorative

第四期高等科 - 4th Advanced Course Class