Released in 1992, the Cal. 4579 with design code 636 was part of Seiko's domestic market collection. Powered by the 4579 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-29f0e8a6d5ea]
Also known as: Bullhead, Goldfeather
