François Chaille is an author. Passionate about art history, fashion, jewelry, and horology, he has published over a dozen works with Flammarion, including The Book of Ties, Cartier: Creative Writing, the three volumes of The Cartier Collection (Jewelry, Timepieces, and Precious Objects), Audemars Piguet: Master Watchmaker Since 1875, and Girard Perregaux.

Historian and expert on fine watchmaking, Dominique Fléchon is the author of many specialist works, including Secrets of Vacheron Constantin and The Mastery of Time, both published by Flammarion.