Released in 1984, the Cal. 4567 with design code 494 was part of Seiko's domestic market collection. Powered by the 4567 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-7b7b54eca3e0]
Also known as: Sumo, Baby Tuna
