Chronomètre à Résonance
F.P. Journe’s twin-balance resonance watch — two independent movements linked only by their mutual sympathy. The 2010 reissue (cal. 1499.3) added an independent dead-beat seconds; the current cal. 1520 generation, introduced 2020, drives both balances through dual remontoires d’égalité. One of the most-distinctive pieces in independent horology.