The Game & Watch brand (Japanese: ゲーム&ウオッチ Gēmu & Uotchi; called Tricotronic in West Germany and Austria, abbreviated as G&W) is a series of handheld electronic games developed, manufactured, released, and marketed by Nintendo from 1980 to 1991. Created by game designer Gunpei Yokoi, the product derived its name from it featuring a single game as well as a clock on an LCD screen. The models from 1981 onwards featured an alarm in addition.

The series sold a combined 43.4 million units worldwide, including 12.87 million units in Japan and 30.53 million overseas. It was the earliest Nintendo video game product to gain major worldwide success.