Fanmis Pilot Silver Case Green Number Black Dial See-through Mechanical Mens Womens Swan Neck Watch Brown Case: Brushed 316L stainless steel case with polished bezel,Stainless steel shell and transparent bottom, strong and solid structure. The mirror on the watch is made of Synthetic-sapphire glass , making it look clear and transparent Leather strap, soft and comfortable to wear 30m water resistance, protects your watch from splash and rain, convenient for your daily life, not suitable for swimming and sauna, etc. 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.