Released in 1980, the Cal. 5680 with design code 910 was part of Seiko's domestic market collection. Powered by the 5680 caliber with 17j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-ec2eefc8b5c9]
Also known as: Shogun, Sportsmatic
