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Jaeger-LeCoultre Duometre series Heliotourbillon Perpetual 44mm, Rose gold, Manual winding

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          Description
          CONCEPT

          A BREAKTHROUGH IN PRECISION

          Before the creation of the Duometre, adding complications to a watch movement seemed irreconcilable with accurate timekeeping. That is because a complication must draw on the power supply, which interrupts the steady flow and thus jeopardises precision.

          THE PHENOMENAL DUOMETRE CONCEPT

          Introduced in 2007, the patented Duometre mechanism features two barrels and two separate gear trains linked to a single regulating organ. One gear train powers the time indications and the other drives all additional functions, thus ensuring a high degree of operating accuracy.
           
          CALIBRE

          CALIBRE 388: PRECISION AT HEART

          Jaeger-LeCoultre distinguishes itself with the development of increasingly sophisticated means of achieving the perfect regularity of the ‘heartbeat’ of its calibres. Beating at a frequency of 4Hz to further enhance chronometry, Calibre 388 ensures highly accurate timekeeping. 

           

          MOVEMENT

          In-House Calibre
          388
          Movement
          Manual winding
          Thickness
          11.15mm
          28800
          4
          46 hours
          Functions
          Moon phase, Héliotourbillon, Seconds, Month, Date, Day, Day/Night indicator, Perpetual calendar, Hour - Minute, Twin Power-Reserve, Year
          Components
          655
          89
          DIAMETER
          34.3 mm