Released in 1990, the Cal. 4543 with design code 812 was part of Seiko's domestic market collection. Powered by the 4543 caliber with 17j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-6c4d2a1e5c8f]
Also known as: Bellmatic, Sea Horse
