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In Grey’s Anatomy, Giacomo Gianniotti wears a black Casio G-Shock watch. The reference number of this watch is GD100-1BCR. This watch is highly practical and sports an all-black look. It has a resin strap, multi time zones, and is water resistant up to 200 meters. Whilst on the go in a hospital ward, this watch would never let you down.
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If you’re a fan of the show, then also check out what watch Alex Karev wears too. On this show, Gianniotti plays the role of Andrew Deluca who is a doctor on the show.