The Rolex Air-King honors the trailblazers of aviation and commemorates the pivotal role of the Oyster in the grand narrative of flight. The model you're considering is produced by the esteemed Clean Factory, renowned for crafting the most flawless Rolex timepieces. Detailed product specifications : Factory made: Clean Factory Case Material: 904L steel Bracelet Material 904L Steel Case size:40mm Glass: Scratch resistant sapphire Water resistant: 10atm 100m Movement: 3230 Rolex Clone Automatic Movement Note: Functions as original.