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Posts a propos de perpetual calendar

Watches in Depth - Calendars

2011 août 29

Calendar watches are the single most common complication in modern watchmaking. They are so ubiquitous that most people wouldn’t even think they are a complication at all – we’ve become so accustomed to having a date on our watches we take it for granted. The irony in this complacency is that the calendar mechanism can be one of the most difficult and expensive complications to produce when you have to factor in leap years.