Released in 1966, the Cal. 6279 with design code 331 was part of Seiko's domestic market collection. Powered by the 6279 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-7f84d2e8e1ed]
Also known as: Bullhead, Golden Tuna
