Released in 1969, the Cal. 3861 with design code 757 was part of Seiko's domestic market collection. Powered by the 3861 caliber with 27j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-7d0d9f7ec34f]
Also known as: Goldfeather, Golden Tuna
