Released in 1968, the Cal. 3832 with design code 639 was part of Seiko's domestic market collection. Powered by the 3832 caliber with 17j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-b4d7a6c4d3d5]
Also known as: Turtle, Shogun
