Released in 1985, the Cal. 4489 with design code 616 was part of Seiko's domestic market collection. Powered by the 4489 caliber with 30j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-c2fff5a5b6e5]
Also known as: Silverwave, Golden Tuna
