Released in 1973, the Cal. 0721 with design code 125 was part of Seiko's domestic market collection. Powered by the 0721 caliber with 24j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-ff2b2d5d5a6f]
Also known as: Sportsmatic, Sea Horse
