Released in 1977, the Cal. 5260 with design code 446 was part of Seiko's domestic market collection. Powered by the 5260 caliber with 21j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-f1e51beb70f9]
Also known as: Golden Tuna, Baby Tuna
