video by MaRiA33444
In the world of Fullmetal Alchemist, this watch is given only to those who earned the title of State Alchemist.

Or usually being referred to as "dogs" of the military.

Oh, by the way, I got one too :-)

My favorite anime: Fullmetal Alchemist (first anime adaptation) Opening Song (in Japanese)
video by ZnarutoxrayZ
Reference: Fullmetal Alchemist