Released in 1970, the Cal. 3897 with design code 944 was part of Seiko's domestic market collection. Powered by the 3897 caliber with 20j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-73d2a34f1b2b]
Also known as: Golden Tuna, Arnie
