Katano Unit Manchukuo Service Commemorative Watch Fob/片野部隊在営記念章

See also https://asiamedals.info/threads/1936-katano-unit-bandits-subjugation-commemorative-watch-fob.24317/

Size 37 mm.
Weight 23.4 g.

Obverse

Map Haicheng /海城;/ city area a county-level city in central Liaoning Province/

Not emblem of independent garrison unit on the soldier's collar https://asiamedals.info/forums/independent-garrison-units-badges-and-jetons.660/

reverse

片野部隊 - Katano Unit

在営記念 - Service Commemorative