Released in 1972, the Cal. 7078 with design code 336 was part of Seiko's domestic market collection. Powered by the 7078 caliber with 17j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-c7a5d32f3cd5]
Also known as: Golden Tuna, Baby Tuna
