Released in 1976, the Cal. 4562 with design code 531 was part of Seiko's domestic market collection. Powered by the 4562 caliber with 21j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-5f8f5b1e5403]
Also known as: Golden Tuna, Arnie
