1) It has a face for radio 2) Japanese invention 3) Ubiquitous computing 4) Wearable device
Found on
https://www.crosswordclues.com/clue/smartwatch
A smartwatch (or smart watch) is a computerized wristwatch with functionality that is enhanced beyond timekeeping, and is often comparable to a personal digital assistant (PDA) device. While early models can perform basic tasks, such as calculations, translations, and game-playing, modern smartwatches are effectively wearable computers. Many smart...
Found on
http://en.wikipedia.org/wiki/Smartwatch
No exact match found.
