This odd little device incorporated a speaker and six drum patterns, “created solely for watch by popular music producer Tetsuya Komuro,” along with two metronome modes (one audible, one visual), an alarm function that played one of the six drum patterns or just beeped, and an EL backlight for checking the time while basking onstage in front of your adoring fans. — Retro Thing: Seiko Frequency Wristwatch Drum Machine