The Alarm is set with the lower stem winder. While the stem is pushed in against the case, turn the stem to wind the alarm function. May take as many as 30 to 40 turns. To move the Alarm hand to the desired hour, pull the stem out and turn BACKWARDS. If the stem is left pulled out, the Alarm is set to buzz. If the stem is pushed in, the alarm will stop or will not buzz.
GMT is set with the upper stem pulled out to the middle position and turned BACKWARDS.
Richard M, NYC