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Caliber ICaliber III  Caliber IV Caliber V


DIAMETER
16 ¼ lines (36,6 mm)
FREQUENCY
18.000 semi-oscillations
per hour
RUNNING TIME
46 hours
JEWELS
22 rubies, 1 diamond
- Shock-resistant gold-screw balance
- Breguet spring
- Swan-neck fine adjustment
- Pulsating eccentric second hand
- Second hand stop mechanism
- Winding wheels with double solar finish
- Monopusher column wheel chronograph
- Chronograph wheels in gold with
  two hundred teeth
- Minutes counter mechanism installed
  on the backside
- Frictionless decoupling of the minutes
  counter, when the chronograph function
  is not in use


When beauty and function harmonize with each other, when noble forms build a complex unit, then the watch creators of LANG & HEYNE again are happy of having transformed a new idea into reality.

With our "Caliber IV" we have created a chronographic movement which on the one hand lets appear the watch in a modest and noble character from the outside, but on the other hand offers to every watch enthusiast a great delight on technical raffinesse. Our aim was to construct a column wheel mechanism in a way that both the seconds counter and the minutes counter act from the center of the watch.

Big chronograph wheels in gold with their two hundred teeth lay the foundation of a perfect catch for the start and a smooth motion of the hands. Gracile levers and springs oscillate in discreet elegance, following the program of the column wheel in their motion.

And last but not least, it is the contrast of the fine classical materials that makes this work to a genuine LANG & HEYNE watch.

fine toothed chronograph wheels