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From 2022, the Air-King’s 40 mm case includes a crown guard and has straight sides like the majority of Professional category models. The watch’s display has also been refreshed and is perfectly balanced thanks to the addition of a “0” before the “5” on the minutes scale. Each five-minute interval is, therefore, now marked by two digits. The 3, 6 and 9 numerals are also now visible in the dark thanks to the luminescent material of the Chromalight display.