Released in 1988, the Cal. 6187 with design code 594 was part of Seiko's domestic market collection. Powered by the 6187 caliber with 25j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-40bf4c8f2f7a]
Also known as: Silverwave, Goldfeather
