Released in 1973, the Cal. 6682 with design code 247 was part of Seiko's domestic market collection. Powered by the 6682 caliber with 27j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-b4a8b8cf62b6]
Also known as: Bellmatic, Baby Tuna
