History
Every story on dialtone filed under History.
FeatureBulgariThe Royal Oak, 1972 to now: Genta’s steel idea and how it grewFrom a steel watch commissioned in 1970 to a family of more than 500 models, the Royal Oak has grown far beyond what Gérald Genta first drew.
FeaturePatek PhilippeWhat a perpetual calendar does, and how it counts the daysA perpetual calendar carries the rules of Pope Gregory’s reform inside the case, so the date moves correctly through short months and leap years.