Released in 1965, the Cal. 4489 with design code 174 was part of Seiko's domestic market collection. Powered by the 4489 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-e3d5f3110c26]
Also known as: Sportsmatic, Golden Tuna
