Tudor Black Bay 41 - 79540 Steel Silver Dial Automatic Bracelet Box And Card 11-2022. Case Case Material Steel Case Diameter Large Size Water Resistance Water resistant to 150 meters Crystal Sapphire crystal Bezel Material Smooth steel bezel, polished finish Case Material Steel case, 41 mm, polished and satin finish Bracelet Material Steel bracelet, satin finish, with folding clasp and safety catch Dial Dial Color: Silver Movement Movement Self-winding mechanical movement, Caliber T600 Wind Crown Screw-lock steel winding crown with embossed TUDOR rose and black anodized aluminum crown tube Warranty Warranty Five-year, transferable warranty, no registration or servicing required