Water-resistant to 5 ATM, suitable for swimming. The Laboratio Starry Sky series features an original imported 82S7 movement. Zero repairs, zero after-sales issues. It has a unique 24-hour display with true moon phase indication, a hollow design that showcases the movement's operation, a small seconds display, and a dual sapphire crystal with a super strong luminous effect. Made from Italian leather, with a case diameter of 40x11 mm and 5 ATM water resistance. This elegant style instantly enhances a man's charm, symbolizing taste and a luxurious lifestyle. Focused on original new movements, dedication is an attitude. Produced by JH.