The H. Moser Perpetual Calendar will no doubt go down in history for being one of the most elegant and easy-to-read dials for a complication. The date window, small seconds and 7-day power reserve functions are easy to spot, whereas the month is ingenious

The H. Moser Perpetual Calendar will no doubt go down in history as one of the most elegant and easy-to-read dials for a complication. The date window, small seconds and 7-day power reserve functions are easy to spot, whereas the month is ingeniously indicated by a little arrow-shaped hand, and the leap-year indicator appears on the reverse.

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