Imported Automatic Self-Winding Mechanical Watch: Stable and durable Japanese movement, support self-winding and manual winding, no battery required, can run stably over 10 years. Nice choice for formal dress watches. Top Brand Skeleton Tourbillon Watches: The tourbillon is matched with the moon phase window and date display, well-designed in dial layout, exquisite dress up elements, carefully carved, set off the overall beauty, brings you a new visual experience and top brand quality. Mens Dress Watches Genuine Leather Strap: Soft, breathable and easy-to-adjust buckle clouse. The pointer is filled with imported luminescent material, the luminous effect is more durable, without fear of darkness at night. Waterproof Mens Watches: Stainless steel bezel with high-precision seamless technology, waterproof to 30 m (100 ft), which can withstand splashing water or immersion into water in short time, but not suitable for bathing. OLEVS After-sale Service: We provide a 30-day no-reason refund and a 24-month assurance for automatic watches. If you have problems during the use of the wristwatch, you can contact us through Amazon, and the professional after-sales team will provide you with services.