Released in 1984, the Cal. 3817 with design code 714 was part of Seiko's domestic market collection. Powered by the 3817 caliber with 35j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-1ea3da1f5b0f]
Also known as: Sportsmatic, Golden Tuna
