Quí khách có thể download tại các website sau :
Seiko : https://www.seikowatches.com/support/ib/index.html
Citizen : https://www.citizenwatches.com.au/instruction-manuals
Tissot : https://www.tissotwatches.com/support/usermanual
Orient : https://www.orient-watch.com/support/manuals/