windup

not-comparable

Operated by a coiled spring that is wound by hand.

Japanese Meaning

手で巻いた巻線（ばね）によって動作する仕組みのもの

The antique child's music box had a small windup mechanism that still played a lullaby.

その古い子供用オルゴールには小さなぜんまい式の機構があり、今でも子守唄を奏でた。

Sense（1）

Operated by a coiled spring that is wound by hand.