20 ATM water-resistant, suitable for swimming. Laolishi, Sun Moon Star series, equipped with the original imported 82S7 movement (0 repairs, 0 after-sales), featuring a unique 24-hour display and true moon phase, skeleton design for a clear view of the movement in action, and a small second hand. Double-sided sapphire glass with a strong luminous effect, Italian case size of 40x11 mm. 20 ATM water resistance! An elegant style instantly enhances a man's charm, symbolizing taste and a prestigious lifestyle! Focused on original new movements, committed to quality, never forgetting our original intention! Truly showcased, produced by JH!