Tissot Sonorous Compressor Alarm Watch T12 4051The diver that sings This is a very bold and beautiful early 1970s alarm watch by Tissot. Housed in a 44mm steel compressor case, the watch features three crowns one crown sets the alarm, another adjusts the inner bezel and the third hands sets time. The case is in great all round condition. The dial features applied bold hour markers and is in excellent condition. The hour and minutes hands have nicely aged lume. The seconds hand is a striking green