With its 40 mm case in Oystersteel, solid-link Oyster bracelet, and distinctive black dial, the Air-King perpetuates the aeronautical heritage of the original Rolex Oyster. The Air-King dial features a distinctive black dial with a combination of large 3, 6 and 9 numerals marking the hours and a prominent minute scale for navigational time readings. It bears the name Air-King in the same lettering that was designed specially for the model in the 1950s. CASE: 40mm Oystersteel DIAL: Black with Chromalight display CRYSTAL: Scratch-resistant sapphire BEZEL: Smooth BRACELET: Oystersteel; Oyster, flat three-piece links CLASP: Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link MOVEMENT: Calibre 3230; Automatic POWER RESERVE: Approximately 70 hours WATER RESISTANCE: 100 meters / 330 feet
