Witness the incredible restoration of a very old and rusty perpetual calendar, an essential piece of history brought back to life. The restoration began with a complete disassembly and rust cleaning ...

Long before sustainability became a trending topic, people invented reusable, perpetual calendars, but the non-digital versions of these are sometimes complicated tables that are hard to interpret.

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Just when you think you’ve seen them all, someone comes up with something new and unusual, like the concentric rings of this automated perpetual calendar. What we really like about the design ...

But how they display the perpetual calendar is where the understated genius of Meylan’s team shines through. The most obvious design detail is the intricate cut of a dark date window at four o‘clock, ...

Parmigiani Fleurier releases new rose gold Tonda PF Xiali Perpetual Calendar, in celebration of the Chinese New Year ...

Parmigiani Fleurier releases new rose gold Tonda PF Xiali Perpetual Calendar, in celebration of the Chinese New Year ...