Water-resistant to 5 ATM, suitable for swimming. OMEGA's Sun and Moon Star Series features a customized original imported 8217 movement, with zero repairs and zero after-sales issues. It offers a 24-hour true moon phase display and a 5-position small seconds. The double-sided sapphire glass mirror is paired with Italian leather. The case diameter is 39x10mm, with 5 ATM water resistance. This elegant style instantly enhances a man's charm and symbolizes taste and a prestigious lifestyle. Focused on original new movements, focus is an attitude. Produced by JH.