Water-resistant to 5 ATM, suitable for swimming. Jiang Xi Dan Dun Moon and Stars series features a customized original imported 82S7 movement, with zero repairs and zero after-sales issues. It has a true moon phase display that updates every 24 hours and a 7-position hollow design for a clear view of the movement in action. The watch is protected by double blue sapphire glass and features an Italian leather and stainless steel case. The case diameter is 39mm and thickness is 10mm. With a water resistance of 5 ATM, it's perfect for swimming. This elegant style instantly enhances a man's charm and symbolizes taste and a luxurious lifestyle. Focused on original new movements, focus is an attitude. Produced by JH.