Released in 1974, the Cal. 4440 with design code 595 was part of Seiko's domestic market collection. Powered by the 4440 caliber with 19j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-f4d57c6423e9]
Also known as: Sportsmatic, Golden Tuna
