FNGEEN Brand Hollow Men's Automatic Mechanical Watch Calendar Stainless Steel Men's Watch Waterproof Calendar

Dial Diameter: 40mm Case Thickness: 13.5mm Watch Length: 22cm Band Width: 20mm Movement: Mechanical Movement Mirror Material:Hardlex Case material: Alloy Steel Band material:Stainless Steel/Leather Waterproof: 1ATM/1BAR (Perfect for all kind of business, casual, indoor activities or daily use.does not support hot water,sauna, ect.) NOTE: Please DO NOT press any buttons in the water or wear this watch for longtime underwater activities - such as diving,swimming, ect.