Precisely 100 years ago, history was made in Geneva, Switzerland – twice. Lovers of equestrian excellence were treated to the first ever edition of the Concours Hippique International de Genève, better known as CHI Geneva, a highlight of the annual show-jumping calendar to this day. For lovers of fine horology, meanwhile, 1926 brought a development of equal magnitude: the birth, in Rolex’s ateliers, of the Oyster: the legendary waterproof, screw-down case that came to define modern...