Released in 1971, the Cal. 4485 with design code 180 was part of Seiko's domestic market collection. Powered by the 4485 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-e36c3c3b7a1e]
Also known as: Pogue, Baby Tuna
