Released in 1969, the Cal. 6668 with design code 101 was part of Seiko's domestic market collection. Powered by the 6668 caliber with 27j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-c2e7e64a091f]
Also known as: Golden Tuna, Baby Tuna
