Released in 1987, the Cal. 5659 with design code 189 was part of Seiko's domestic market collection. Powered by the 5659 caliber with 28j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-4567a3e4e5a5]
Also known as: Sumo, Goldfeather
