Released in 1984, the Cal. 4438 with design code 346 was part of Seiko's domestic market collection. Powered by the 4438 caliber with 18j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-0f7b0a1171e4]
Also known as: Baby Tuna, Flighty
