Released in 1968, the Cal. 3823 with design code 747 was part of Seiko's domestic market collection. Powered by the 3823 caliber with 33j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-3aad14f5f2f8]
Also known as: Bullhead, Golden Tuna
