Comparazioni: 251.272-13¼´´´Diameter 30,00 mm Height 4,60 mm-Hours, minutes, small jumping second at 6 o’clock Date display in window-Chronograph with 2 push buttons Counters 1/10th of seconds, 60 seconds, 30 minutes Functions: ADD, SPLIT-Stop second / stop motor Time-zone mechanism-22 jewels PowerDrive