Nihon Seimitsu is a Japanese manufacturer primarily engaged in the production and sale of watch bands and bezels, where it holds the largest domestic market share in Japan. The company also operates in eyeglass frames through its subsidiary Murai Co., Ltd., and in fishing tackle components and static electricity eliminators. Manufacturing is conducted through overseas subsidiaries in Vietnam and Cambodia to achieve cost competitiveness, while planning, development, and sales functions are centrally managed from its headquarters in Kawaguchi, Saitama.