Glycine Watch Airman World Traveler. The AIRMAN WORLD TRAVELER goes back to the Quartz generation of Glycine Airman in the 70ies and 80ies. Design and features of this watch had been worked out in close co operation with pilots of civil and military aviation. The elegant high grade steel case housing a precise Swiss quartz movement carries a revolving notched bezel on which the names of 24 cities all over the world are engraved.