Released in 1974, the Cal. 6236 with design code 521 was part of Seiko's domestic market collection. Powered by the 6236 caliber with 27j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-9d6c5d2b0abd]
Also known as: Golden Tuna, Baby Tuna
