Special metal bar for the physical fitness badge was established on May 25, 1943.
1st variation.
水泳 - Swimming
(体力章) - Physical Fitness Badge
2nd variation.
Original official description of the bar.
japanese badge
japanese homefront physical strength badge
japanese ministry of health badge
japanese physical fitness badge
japanese physical strength badge
japanese ready for labour and defence badge
japanese swimming physical fitness badge
体力章
水泳体力章