Released in 1979, the Cal. 6136 with design code 615 was part of Seiko's domestic market collection. Powered by the 6136 caliber with 25j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-f9ee3b4ec8a9]
Also known as: Panda, Baby Tuna
