The new Zenith Defy Lab is the most accurate mechanical watch in the world. A revolution in watchmaking by replacing the sprung balance
Movement Zenith ZO 342 | Automatic | Diameter: 32.80 mm / 14¼ lignes | Thickness: 8.13 mm | Frequency: 108,000 vph (15 Hz) | Jewels: 18 | Parts: 148 | COSC certified | Côtes de Genève | Monolithic regulating organ made out of silicon | Hours, minutes, seconds | Power-reserve: 60 hours
Movement Zenith ZO 342