Fashion mechanical watch for Men,no battery needed,save your money from the quartz watch(quartz watch need to change the battery),carving case and caring band,which makes the watch very nice.Skeleton dial,able to see allof the gears and mechanisms moving inside of it when you look very closed，let you feel every second running.With the moonphase and tourbillion,which leading you to experience fashion trends of luxury fashion. come with the Gift box,which looks luxury and nice as a gift for the one you loved.It will be easy to match you’re wearing and suitable for party, casual suits and business also prefect for Dinner show. Watch Infor:Movement: Automatic self-windDiameter: 43.5 mmCase Thickness: 15 mmBand width: 24 mm Band Material: Stainless steelPack including:☆1*Watch☆1*Gift-box☆1*Instruction☆1*Band Adjustable Tool☆1*Small Free GfitFAQQ①:What should I do if the watch stopped or not keep time?A①:It is recommended that you manually wind the watch by turning the middle button 20 circles on the clockwise.Q②:Why the watch stopped in the morming?A②:Because when sleep,the watch can't get enough power.If you don't want the watch stopped overnight,pls remeber to wind it before you go to sleep.Q③:Water resist?A③:Yes.Daily Water resist, withstands rain and water splashes.Never take it to the shower and swimming.Q④:How to adjust the band?A④:With the pin tool come with the parcel,you can adjust the band.Contact the seller about how to adjust the band if you needs.