Mens Watches,OUPINKE Skeleton Watches for Men Automatic Luxury Expensive Waterproof Watches Sapphire Mechanical Self Winding Tourbillon Watch for Men Stainless Steel Men's Wrist Watch White Dial Big Face - XIN LINGYU, XLY-K-G3186GJ-JJB

• 【Design and Materials】:Mens Automatic Movement (No Battery Required),Synthetic Sapphire Mirror.Skeleton Tourbillon Design,Tungsten Steel Strap Material To Prevent Scratches And Breaks.Butterfly Double Snap Buckle,Roman Numerals and Diamond Scales 【Feature】: Unique Classic Style,Annual Calendar Week Date Display,Roman Scale Bezel,Luminous Hands,50M Waterproof Can Swim and Dive.The bracelet is adjustable The bracelet is adjustable (The Package Contains Adjustment Tutorial. If the Bracelet is Too Short, You Can Contact us for Free Extension Bracelets). The Watch Has a 2-Year Warranty and a Usable Life of More Than 10 Years 【Specification】: The Watches Mirror Diameter 1.57 Inches/40MM, Case Thickness 0.47 Inches/12MM, Bracelet Length: 7.87 Inches/200MM, Width: 0.7 Inches/20MM, Weight 5.57 Ounces/158G 【Applicable Objects and Uses】: Classic Screw-Down Crown,Watch Suitable For: Adult, Father, Brother, Boyfriend, Husband, Student, Man. Suitable For Outdoor And Indoor Sports Such As Running, Climbing, School Season, Christmas, Valentine's Day, Wedding, Birthday, Father's Day, Birthday Party, Weddings, Business Events, As Well As Gifts 👍【Principles of Mechanical Watches】: working principle of a mechanical watch is to rely on the swing of the arm to produce energy to make the watch work normally, so it needs to be worn for 8-10 hours a day to ensure accurate timekeeping. If you find that the time is wrong, please turn the handle 30-40 laps with the handle closed and check the time before it can work normally. It is recommended to rotate 30-40 laps directly for the first use