Water-resistant to 5 ATM, suitable for swimming. Vacheron Constantin, Moon Phase Series, equipped with an imported 8219 movement. No repairs, no after-sales issues. Features a personalized 24-hour display, true moon phase indication, small seconds hand, and double-sided sapphire crystal. Made with Italian leather, case diameter 40x11mm. With 5 ATM water resistance, it instantly elevates a man's charm and serves as a symbol of taste and a luxurious lifestyle. Focused on original new movements and quality, never forgetting the original intention. A true showcase by JH.