・OBLVLO CM series: Three sub-dial design with multifunctions. Day-Date window at 3:00, 12 constellation at 9:00, 24 hours display at 6:00. Shiny super luminous dial. Featuring fine 316L Stainless steel case & watch band, is water-resistant and corrosion-resistant. ・Automatic Movement: OBL.1525 Self-winding Mechanical Movement, equipped with 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. ・Sapphire Crystal: The watch mirror is made of high hardness sapphire crystal, wear, scratch-resistant&clear.At the same time,durability ensures that the mirror is transparent and bright, and can be clearly seen when reading. ・Waterproof 5ATM: Waterproof of 5ATM, the watch can be used for cold water, rain and swimming. Water resistance easy to handle in all l