和わ時計どけい

noun

traditional Japanese clock; Edo-period clock

Refers to mechanical clocks made in Japan, mainly during the Edo period, that told time according to the traditional Japanese temporal hour system (不定時法).

• 博はく物ぶつ館かんで江え戸ど時じ代だいの和わ時計どけいを見みた。

  I saw an Edo-period Japanese clock at the museum.

• 和わ時計どけいは季き節せつによって一いっ刻こくの長ながさが変かわる仕し組くみになっている。

  Traditional Japanese clocks are designed so that the length of one 'koku' changes with the seasons.