Released in 1992, the Cal. 6164 with design code 131 was part of Seiko's domestic market collection. Powered by the 6164 caliber with 34j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-5b1f8b8b858b]
Also known as: Tuna, Goldfeather
