noun
internal clock that is always correct
Wasei-eigo term for a clock or timekeeping mechanism that never deviates from the correct time, often used in technical or product contexts.
wasei-eigo (Japanese-coined English), from just clock
このデバイスはジャストクロック機能を搭載している。
This device is equipped with a just-clock function.
ジャストクロックのおかげで、時刻がずれる心
Thanks to the just-clock, there's no worry about the time being off.