Released in 1980, the Cal. 6135 with design code 835 was part of Seiko's domestic market collection. Powered by the 6135 caliber with 22j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-a2f7f3d6e9c1]
Also known as: Sumo, Goldfeather
