40 mm, Platinum case. The first observations pertaining to the natural resonance phenomenon were made by 17th-century Dutch scientist Christiaan Huygens, followed by 18th-century horologists Antide Janvier and Abraham-Louis Breguet, who developed timepieces based upon this principle. Since then, François-Paul Journe presented his first Résonance wristwatch in 2000; it was baptized Résonance under the patented brand name Résonance®.
F.P. Journe Classique Chronomètre à Résonance Platinum 40 MM - Black Leather Strap - Silver Dial - Chronomètre à Résonance
All purchases come with a 2 year NYC Watches International Warranty