Everything you need to know about one of the world's most exceptional calendar timepieces…
The award-winning Parmigiani Fleurier Tonda Hijri Perpetual Calendar is a very special wristwatch — incorporating for the first time in a wristwatch the Hijri calendar that is used across most of the Islamic world. The Hijri calendar has deep cultural and religious significance, and is a true mechanical challenge to express in a wristwatch. Find out how this watch works and what makes it so unique.
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