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. Note: Functions as original : Factory made: Clean Factory Case Material: 904L steel Wish List 0 Case size:40mm Luxury Watch Air King M126900-0001 1:1 Best Edition Clean Factory Black Dial Case Material: 904L steel Frequently Asked Questions Help Movement Glass: Scratch resistant sapphire.