Released in 1999, the Cal. 4442 with design code 688 was part of Seiko's domestic market collection. Powered by the 4442 caliber with 32j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-d5c0e2c035a3]
Also known as: Sportsmatic, Golden Tuna
