Released in 1989, the Cal. 3848 with design code 835 was part of Seiko's domestic market collection. Powered by the 3848 caliber with 29j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-2d5af5c66b7c]
Also known as: Sumo, Baby Tuna
