Jaeger-LeCoultre Master Geographic 1428421 Black Dial watch, a pointer type date display device with a black dial at 3 o’clock, can adjust the date by means of a tool attached to the watch when purchasing it, that is, by pressing a correction button at 2 o’clock on the watch case. It is noted that the watch cannot be corrected between 8.30 pm and 3.30 am the next day, because automatic date change is in progress during this period. The second time zone display device at 6 o’clock is provided with a 24-hour display panel beside the second time zone to distinguish whether the second time zone is noon or midnight, and the GMT time zone selection setting is below. The power reserve display device at the 10 o’clock position can provide at least 40 hours of power reserve after the wristwatch is fully wound. Jaeger-LeCoultre Master Geographic 1428421 TW Factory Black Dial Replica Watch. According to official data, it is equipped with Swiss Jaeger-LeCoultre 939 automatic winding movement with power reserve of about 43 hours. The surface ear is too natural, the shell body is finely polished, and the front and rear two pieces of blue glass are perfectly connected with the shell. Black hand-stitched Italian cowhide with alligator print and Jaeger-LeCoultre classic folding clasp (interchangeable with authentic ones) for perfect texture and ultimate experience.