Obverse
柔 from 柔道 - Judo.
Original case.
Watch fob was badge by Asahi Medal Works, Tokyo https://asiamedals.info/threads/badges-manufactured-by-asahi-medal-works-tokyo-asahi.21789
Obverse
Victory
2597 = 1937
Reverse
慶応義塾普通部 - Keio Futsubu School
第十回 - 10th
體育日- Sports Day
Made by Asahi Medal Works, Tokyo https://asiamedals.info/threads/badges-manufactured-by-asahi-medal-works-tokyo-asahi.21789/