Brand Luxury Automatic Self-Wind Mechanical Watches，A wonderful gift for boy friend and friends and family. time spent with you just gets better and better every year! Style: Business Casual Fashion Feature：Tourbillon, Moon Phase, Skeleton, Waterproof Display: Analog Movement: Automatic Self-Wind Material: Case Material:stainless steel Band Material Type:Leather Dial Window Material Type:Hardlex Water Resistance Depth:30M waterproof Clasp Type: buckle Case thickness:13 mm Case Diameter: 43 mm Band width: 22 mm Band length: 24 cm Weight: about 0.11kg Suit for: men Package Includes: 1 x Watch 1 x Watch Box 1 x Cleaning Cloths How To Use: This watch is an automatic watch equipped with a manual winding mechanism When the watch is worn on the wrist, the motion of the wearer's arm winds the mainspring of the watch. If your watch is completely stopped, it is recommended that you manually wind the mainspring by turning the crown. NOTE: Do not operating watch button and set up crown in the water. Please do not use the watch in a hot bath, sauna, or huge temperature difference environment (including water-resistant watch). Use in extreme Hot or Cold temperature will shorter watch life. Please note watch antimagnetic, avoid long time close to electrical appliances, mobile phone and the magnet. Every Wristwatch Is Double Checked by us Before Sent to Every Customer and Ensure Good Quality and Accompanied You Long Time.