Released in 1966, the Cal. 5274 with design code 596 was part of Seiko's domestic market collection. Powered by the 5274 caliber with 24j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-6c9aabc949e2]
Also known as: Sportsmatic, Golden Tuna
