Breitling watch emergency yellow designed for pilots and aircrews the emergency is an instrument watch with built in microtransmitter broadcasting on the 1215 mhz aircraft emergency frequency following a crash or a forced landing for example the emergency will send a signal on which rescuers can home in the watch thus serves as a complement to the aircrafts own distress signaling equipment the emergencys transmitter is activated by unscrewing a protective cap and pulling the antenna out