as regular as clockwork

Translations
как часы
He arrives at the office as regular as clockwork, never missing a tick.
Он приходит в офис как часы, ни разу не опаздывая.
Definitions
Happening with predictable regularity or consistency, similar to the precise and reliable operation of a clock.
Words
as

adverb
настолько
regular

adjective
регулярный
as

conjunction
как
clockwork

noun
часовой механизм