Released in 1974, the Cal. 3866 with design code 946 was part of Seiko's domestic market collection. Powered by the 3866 caliber with 25j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-8dce6a4a5cb5]
Also known as: Samurai, Goldfeather
