Breitling Emergency ref. E56321: first‑gen Emergency in titanium (approx. 43 mm). Thermocompensated SuperQuartz Caliber 76 (COSC). Sapphire crystal, rotating bezel, 100 m WR. Integrated emergency transmitter on 121.5 MHz with deployable antenna in the case. Common dials include black, blue, yellow, and orange; Professional bracelet or rubber/strap.