Fanmis Men Automatic Mechanical Calendar Analog Display Black Leather Band Wrist Watch(Yellow) Leather strap, soft and comfortable to wear,The date is clearly displayed in a mini window. Just throw a glance at the dial, you will get the calendar easily. 30 meters water resistant.(Please Don't Press Any Key Underwater) The watch is powered by the motion of the wearer's wrist. If the watch is not worn for 8 or more active hours per day, it will run slower than usual or even stop briefly. It is the amazing gift for friend and family Fashion outdoor sport watch for men.We have first-class after-sales service, please rest assured purchase, please contact us immediately if there is any quality problem, We will reply you within 24hours ,and provide a satisfactory solution. 12-Month Warranty Service and one Month Return Policy.