Zenith, Elite Series, Model:18.2310.692-81.C709, automatic mechanical movement, diameter: 33mm, 18K rose gold case The main dial is made of white mother-of-pearl, with 8 diamond hour markers. There is a small seconds sub-dial at 9 o 'clock and a moon phase display window at 6 o 'clock. The crystal is sapphire crystal glass, with a water resistance of 50 meters. It is only suitable for daily wear and not for water immersion scenarios.