flightmaster 145.013

First flightmaster with caliberCaliberThe designation of a watch movement, identifying its design or movement family. 910: seven hands, a 24-hour (AM/PM) indicator at nine instead of running secondsRunning secondsThe ordinary seconds display driven by the watch’s going train. On a chronograph, it continues to show the movement running independently of the elapsed-time seconds hand., blue GMT hand set by the crown at ten, inner bezelBezelThe frame surrounding the crystal at the front of a watch. by the crown at eight, orange hands. Slimmer case than the later references.