Produced by J5: This product has undergone rigorous waterproof pressure testing, with a waterproof rating of up to 120 meters. The Langqing Day Moon Stars series features an original imported 82S7 movement (0 repairs, 0 after-sales service), crafted with ultra-A stainless steel casing that is finely made, achieving a waterproof level of 5 atmospheres. It is suitable for swimming. The dial is made from high-quality imported copper, meticulously crafted without flaws, showcasing a rich texture and brilliance under natural light. It features a 9-position personalized 24-hour display with a true moon phase indication, a hollow design allowing for a clear view of the movement, and a 5-position small second hand. The double sapphire glass mirror offers exceptional luminous effects, with an Italian case diameter of 40x11 mm. It has a waterproof rating of 5 atmospheres! This elegant style instantly enhances a man's charm and is a symbol of taste and a luxurious lifestyle! Focused on original new movements, focus is an attitude. Produced by JH!