Released in 1967, the Cal. 5629 with design code 392 was part of Seiko's domestic market collection. Powered by the 5629 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-1d9e1df4f0c8]
Also known as: Sumo, Shogun
