Major Japanese watchmaker 'Wako Seiki' has launched 'Chuin Series', a limited timepiece featuring dials inspired by family crests and seals used by Edo-period mint craftsmen. Co-supervised by ancient coin scholars for historical accuracy, the series garnered over 1,200 overseas orders within 48 hours from collectors in Europe, North America, and Southeast Asia, marking a landmark entry of Japanese ancient coin motifs into precision mechanical watchmaking.