This brand new (Mar 2021 retailed) 40mm Air-King ref. 116900 has an extended official warranty for 10 years. The white gold applied 3-6-9 dial (with luminous hands) unique to this model, match the instruments Rolex built for the incredible Bloodhound SSC super-sonic jet car. The case and bracelet are made of Oystersteel, part of the 904L family and highly resistant to corrosion. Powered by Rolex's automatic 3131 calibre movement with 48hr power-reserve, waterproof to 100m and presented complete with its Rolex box, booklets, swing tags and UK stamped extended 10 year Rolex warranty card.