Zenith releases two crystal clear Defy Zero Gs

That case is sapphire, not plastic.

Zenith’s Defy Zero G has always been a flex. Not hype, real engineering. Since 2008, the brand has been chasing one problem, gravity, and doing it with a gimbal that keeps the escapement level as you move. Think ship chronometers, shrunk to the wrist. Where a tourbillon averages errors, this setup aims to cancel them in real time. It is a strange and st…