Glycine watch airman base 22 mystery gmt perfectly timed to coincide with the onset of the mystical autumn season glycine has added the base 22 mystery to its impressive and distinctive airman collectionthe mystery is available in mysterious black and even at first glance it is clearly an airman and meets the exacting requirements of an aviator watch the 42mm black case black dial with clear luminous elements and comfortable nato strap are not only aesthetically harmonious but make it idea