Released in 1976, the Cal. 6366 with design code 948 was part of Seiko's domestic market collection. Powered by the 6366 caliber with 31j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-43b9c0f6bcfb]
Also known as: Panda, Baby Tuna
