Daiwa Kogyo was supported by an investment from the Hattori family (founder of the Seiko Group) and began as a manufacturer of watch parts for Daini Seikosha (currently Seiko Instruments).
Daiwa Kogyo blev støttet gennem en investering fra Hattori-familien (grundlæggeren af Seiko Group) og begyndte at fremstille dele til ure for Daini Seikosha (i dag kendt som Seiko Instruments).