1968 36mm SS Glycine Airman Automatic GMT Watch with hacking pin (case 323.1119)
The watch has a round shape with a 44mm lug width, a 12mm case thickness, and a snap caseback. For the watch enthusiast this watch features the unique seconds hacking pin (very hard to see the pin but you can see the action in the video, where the seconds hand is stopped in place at 24 hour marker).