Poking through grandparents old jewlery, I found a watch: Zodiac, Swiss Made, Automatic movement. It's labeled "Aerospace GMT" Anyone know anything about these? It has three hands as well.

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1976 300D
190,000 Miles
Colorado Beige

1975 300D
Parts Car
78,000 Miles
Rustbucket
Also Colorado Beige

1984 190D 2.2 (Dad's)
156,000 miles
Champagne Metallic Clearcoat