Released in 1977, the Cal. 5236 with design code 364 was part of Seiko's domestic market collection. Powered by the 5236 caliber with 31j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-bbf4cd7a8b91]
Also known as: Goldfeather, Golden Tuna
