Released in 1970, the Cal. 5276 with design code 947 was part of Seiko's domestic market collection. Powered by the 5276 caliber with 33j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-7fac9cb4e6d3]
Also known as: Baby Tuna, Arnie
