Released in 1986, the Cal. 6679 with design code 327 was part of Seiko's domestic market collection. Powered by the 6679 caliber with 20j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-a2a6e7ce9faa]
Also known as: Tuna, Goldfeather
