Naval Technology Merit Badge/海軍技術有功章

Army counterpart https://asiamedals.info/threads/army-technology-merit-badge.23660/

Obverse

技 - Сraft; Ability; Skill

reverse

海軍 - Navy

技術徽章 - Technology [Technique; Engineering] Badge

Original case.

海軍技術徽章 - Naval Technology Badge

 

Badge was established on August 19, 1941.

 

Official name of the badge (according to the regulation)

海軍技術有功章 - Naval Technology Merit Badge

The badge was awarded by ministry of the navy for different innovations in naval warfare (radar equipment, artillery and torpedoes, subs, etc.).
Second time awarding of the badge were possible.

Changes in regulation from August 11, 1942.

 

Another full set.

Original case.

 

Badge with repaired catching hook and pin.

 

Another original badge without case.