There was no inconsistency in his movements. He had been working for dozens of hours at an even pace like the second hand of a clock or a conveyer belt.
[...]
Kihara Kagun worked with the uniform speed of a clock’s hand and the precision of a loom.
[...]
He had spotted Bersi walking down the corridor with a pace as regulated as the second hand of a clock.

Toaru Majutsu no Index New Testament vol.8 prologue, between the lines 1, ch.2 pt.2