誠時 Company Profile

Pioneer of watches

Seiji Co., Ltd. is a pioneer of clocks in Japan, researching the history, design, and functionality of timepieces. We handle the planning and development of various clocks and watches, as well as the sales of our products. From ancient times to the present, there have been remarkable technological advancements in sundials, hourglasses, mechanical watches, transistor watches, and IC quartz, and now technology has progressed to the point where radio-controlled clocks can become our main products. Please feel free to contact us if you have any inquiries.