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126900
Model Case
Oyster, 40 mm, Oystersteel
Bezel
Smooth
Water resistance
Water-resistant to 100 m/330 ft
Movement
Perpetual, mechanical, automatic
Caliber
3230, manufactured by Rolex
Power reserve
Approximately 70 hours
Bracelet
Oyster, flat three-piece links
Dial
Black
Certification
Superlative Chronometer (COSC + Rolex certified when cased)
Black dial
The Air-King features a distinctive black dial with bold 3, 6 and 9 numerals and a prominent minute scale for easy reading of voyage times. The dial is printed with the Air-King in the same font designed specifically for this model in the 1950s.
Rolex Air-King in Oystersteel, m126900-0001 | European Watch Company
Oystersteel
Rolex uses Oystersteel for its steel cases. Carefully developed by the brand, Oystersteel belongs to the 904L steel family. This alloy is most commonly used in the high-tech, aerospace and chemical industries, where extreme resistance to corrosion is essential. Extremely durable and polished to an exceptional finish, Oystersteel retains its beauty even in the harshest environments.
Oyster bracelet
The Oyster bracelet perfectly combines form and function, aesthetics and technology, and is both durable and comfortable to wear. It is equipped with an Oyster folding clasp to prevent accidental opening, and is equipped with an Easylink extension link, which is also unique to Rolex. This ingenious design allows the wearer to extend the length of the strap by approximately 5 mm, making it more comfortable in any situation.

Model availability
All Rolex watches are assembled by hand with great care to ensure exceptional quality. Such high standards naturally limit Rolex's production capacity, and there are times when demand for Rolex watches exceeds its production capacity.
As a result, the supply of some models may be limited. New Rolex watches are sold exclusively by Official Rolex Retailers, who receive regular deliveries and independently manage the allocation and sale of the watches.
Europe Watch is proud to be part of the global network of Official Rolex Retailers and can provide information on the stock of Rolex watches.
The Air-King pays tribute to the pioneers of aviation, to the Air-King and invites the wearer to take control of his own destiny. Rolex is proud to present the next generation of the Oyster Perpetual Air-King. This watch features a newly designed case with a crown bridge and the straight edges of most Professional models. The proportions of the bracelet have also been redesigned, especially with a wider central link. In addition, this model is equipped with an Oyster safety clasp for the first time.The watch’s display has also been revamped, with a new “0” added before the minute mark “5” to make the display more balanced. So now every five minutes is indicated by two digits.