Breguet
Type XX - XXI - XXII Type XX - XXI - XXII

Its blue dial displays various time-measurement indications: the 15-minute counter at 3 o’clock, the 12-hour counter at 6 o’clock and the running seconds at 9 o’clock. The Arabic numerals, hands and triangle present on the bezel are coated with ivory luminescence. A date aperture appears at 4:30.