An 18ct white gold sapphire and diamond-set quartz wristwatch, by The Royal Diamond for Chatila

An 18ct white gold sapphire and diamond-set quartz wristwatch, by The Royal Diamond for Chatila
The rectangular dial set with calibré sapphires in concealed mounts to a sapphire-set crown and later straps with maker's buckle, European Convention mark, case 26mm wide
Glass and case signed The Royal Diamond, case no. 77 and BA 71, buckle with maker's mark