Released in 1983, the Cal. 4577 with design code 949 was part of Seiko's domestic market collection. Powered by the 4577 caliber with 17j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-5c0a3d2d2739]
Also known as: Goldfeather, Golden Tuna
