Adamant Co., Ltd.

Adamant Co., Ltd. (アダマンド株式会社 Adamant Kabushiki-gaisha) is a component manufacturing company based in Tokyo, Japan. Its name is from the word adamant, which was derived from the Greek word adamas meaning "diamond". At of its founding, Adamant's main products were watch jewels that were made of a hard material.

Adamant Co., Ltd.

Adamant Co., Ltd. (アダマンド株式会社 Adamant Kabushiki-gaisha) is a component manufacturing company based in Tokyo, Japan. Its name is from the word adamant, which was derived from the Greek word adamas meaning "diamond". At of its founding, Adamant's main products were watch jewels that were made of a hard material.