Fanmis Men's Luminous Calendar Rotatable Bezel Black Leather Strap Automatic Mechanical Watches Luminous pointer, ensures you a clear vision to check time in darkness. 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. High-quality watch mirror is wear-resistant, high hardness and compression resistant. 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. 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.