Perpetual calendar

Introducing The F.P. Journe Quantième Perpétuel (With Specs And Price)

A complete revamp of the perpetual calendar by F.P. Journe, featuring a window-based display and easy setting.

Hands-on with the Lange 1 Tourbillon Perpetual Calendar in platinum (with live photos and pricing)

Though it was the new Datograph Up and Down that got most of the attention at SIHH 2012, Lange's flagship complication for the year was actually the Lange 1 Tourbillon Perpetual Calendar in platinum. 





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