Zenith Defy Zero G Sapphire and the Mechanics of Gravity-Defying Watchmaking
If the tourbillon is too basic for you, Zenith has the answer: the Zero G. While the tourbillon averages out rate errors by keeping the balance assembly in motion, the proprietary Zero G module keeps said assembly in the same position no matter how the wearer moves. When Zenith introduced this concept in 2008, it…