・【OBLVLO LMS series】Panoramic hollow-out mechanical design with super luminous, platinum-plated steel hands, 316L stainless steel case with sapphire crystal. High quality strap combined the imported calf-skin leather with durable rubber. Exquisite appearance and professional craftsmanship, packed with elegant OBLVLO original box. It's suit for business and daily life. The best gift for Thanksgiving, Christmas and birthday. ・【Automatic Movement】OBLVLO Self-winding Mechanical Movement, equipped with 56 to 72 hours power reserve, use high-grade satin brushed & polished, keep time accurate. It is powered by the natural movements of your wrist, need be worn at least 8 to 10 hours a day. If you wear the watch less than 8 hours a day, please manually wind up your watch to keep working well. ・【Synthetic Sapphire Crystal】The watch mirror is made of synthetic sapphire crystal, second only in hardness to diamond, the mirror can withstand a lifetime of use and remain looking exceptiona