国友 秀夫

About the Author

国友秀夫 is a distinguished Japanese horologist and author renowned for his meticulous explorations of vintage timepieces and their intricate mechanics. With a career spanning decades in the field of watchmaking, he has dedicated himself to preserving and elucidating the technical artistry of mid-20th-century Japanese analog clocks. His seminal work, 'わかりやすい 最新時計学 1960年代国産アナログ時計の全技術,' stands as a comprehensive guide that demystifies the engineering marvels of the 1960s domestic production era, blending historical context with practical insights for enthusiasts and professionals alike. Through his writing, 国友 bridges the gap between traditional craftsmanship and modern appreciation, offering readers an accessible entry into the fascinating world of horology while honoring Japan's contributions to global watchmaking innovation.