The 0634 caliber was Seiko's first digital LCD chronograph quartz watch. The 0634-5001 was produced in 1976. It can display h… | Watches, Digital watch, Wrist watch
SEIKO 0634-5001 | eBay
Seiko 0634-5001 - Sold through Direct Sale - 232898405
Seiko 0634-5001 - Time Art Piece
Seiko 0634-5001 chronograph watch LCD digital with original bracelet | eBay