Released in 1978, the Cal. 0733 with design code 705 was part of Seiko's domestic market collection. Powered by the 0733 caliber with 18j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-4c4badc48e8e]
Also known as: Sportsmatic, Golden Tuna
