Neu nhu thuong hieu Citizen co bo may Eco Drive, Seiko co bo may Solar thi Casio co bo may Tough Solar, so voi cac san pham cua cac thuong hieu khac thi cac san pham cua Casio co muc gia re hon nhieu. Chiec dong ho deo tay Casio AQ-S810W-1AVDF chinh la mi...