Released in 1993, the Cal. 6658 with design code 677 was part of Seiko's domestic market collection. Powered by the 6658 caliber with 32j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-40976b5c5a4f]
Also known as: Goldfeather, Baby Tuna
