Central Impulse Chronometer – Rhodium

Reference# CIC-R
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  • Details
  • Description
  • Limited Edition: 25 pieces
  • Case: white gold
  • Size: 44 mm x 12.2 mm
  • Movement: 9012 hand wound caliber chronometer
  • Function: hours, minutes and two sub-seconds counters
  • Power Reserve: approximately 38 hours
  • Water Resistance: 30 m
  • Dial: Guilloché dial (exclusive Lederer pattern) with two circles interlocked in a figure eight. Rhodium plated
  • Caseback: sapphire crystal
  • Strap/Bracelet: alligator leather strap with pin buckle

Discover the award-wining Central Impulse Chronometer (CIC), the first chapter of the master of escapements series. 

The first chapter of the Masters of Escapements series is a 44-mm wide timepiece containing one of the most original, sophisticated and advanced wristwatch movements ever.  Heir to the works of Harrison, Breguet, Le Roy, Bond and Daniels, it is a certified chronometer according to the stringent criteria of the Besançon Observatory.

It harbors a new, high-yield, double impulse escapement, entirely designed by Bernhard Lederer with maximum efficiency in mind.  Manufactured in a first series in white gold, the Central Impulse Chronometer is Bernhard Lederer’s brainchild, the sum of his ingenuity, hard work and life-long dedication to the art of watchmaking. 

Lederer Calibre 9012 features a dual gear train. Each one comprises its own barrel and 10-second remontoir. These constant-force devices work alternately.  Both feed a pair of escape wheels through a unique, innovative escapement, the high-yield Central Impulse Escapement.  They provide energy to, and receive chronometric information from, a bespoke, variable inertia, 3-Hz balance wheel, fitted with 4 regulating weights and 4 balancing weights.  The movement features openworked bridges, proprietary wheel spokes, three-dimensional construction. Entirely designed and crafted in-house, it goes through a painstaking process of finishing, including extensive hand beveling, graining, frosting, engraving, satin-finishing and polishing.

limited to 25 pieces each in deep blue and rhodium