Breitling Datora Montbrillant Chronograph Wristwatch, stainless steel, automatic, lever movement, stop function via rocker, brown dial, applied hour markers, Arabic numerals, three sub-dials for 30-minute and 12-hour counters, small second, 24-hour display, day of the week, date, month, rotating bezel with arithmetic function , case number 2171920, reference A21330, diameter approx. 44 mm, 105.9 g, travel case
