Released in 1968, the Cal. 4550 with design code 279 was part of Seiko's domestic market collection. Powered by the 4550 caliber with 30j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-c0c1a1db2c9b]
Also known as: Bullhead, Flighty
