Qbert Nelsonic Game Watch - Noah Schnapp - Stranger Things
The watch is a handheld game watch from the 1980s, fitting the retro theme of the series perfectly, as do many other watches in the same series.
You can play the famous Qbert game with the small triangle buttons on the front of the watch. The time is shown in the top right of the display.
The Nelsonic Qbert game watch can be found on eBay, fetching some high prices for boxed or mint condition watches.