Released in 1979, the Cal. 6123 with design code 647 was part of Seiko's domestic market collection. Powered by the 6123 caliber with 26j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-6e8d3f9d9a9f]
Also known as: Shogun, Baby Tuna
