Released in 1970, the Cal. 7033 with design code 257 was part of Seiko's domestic market collection. Powered by the 7033 caliber with 36j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-b5a8e65a50be]
Also known as: Sportsmatic, Golden Tuna
