News: ZENITH Defy El Primero Fusée Tourbillon
2019-05-28
Reading Time: 4 minutes Since the dawn of precision timekeeping, watchmakers have sought to produce timepieces that offer unfaltering performance through the use of “constant force”. Zenith reinterprets the fusee & chain constant force mechanism in a modernistic style in the new ZENITH Defy El Primero Fusée Tourbillon. Housing the new El Primero 4805Continue Reading