Released in 1983, the Cal. 6131 with design code 298 was part of Seiko's domestic market collection. Powered by the 6131 caliber with 23j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-f6b63e7d9df2]
Also known as: Bellmatic, Golden Tuna
