Lederer Central Impulse Chronometer CIC 9018-OW-10

LEDERER, CENTRAL IMPULSE CHRONOMETER Model Name: Central Impulse Chronometer, Ref: CIC 9018 – OW - 10 Case: The 44 mm diameter case is made of stainless steel 904 L with DLC black treatment. Water resistant up to 30 meters. Dial: Lederer’s invention shines through with the remarkable symmetric movement fully revelated on the dial side. Hour markers are engraved inside the sapphire dome. Time can be read directly on the movement itself. Calibre: Hours and minutes. 220 components, including 46 rubies. 21,600 vph (3 Hz). Hand-wound mechanism. Double barrels. Two independent gear trains, two constant-force remontoirs . Mirrored detent escapement with centrally aligned impulses. Bracelet: Black soft calf leather, saddle-stitched by hand. Dimension: Diameter 44 mm / Thickness 12,2 mm Specificities: Bernhard Lederer installed the two escapement wheels at the end of two separate gear trains, each with its own barrel and 10-second constant force remontoire (winding system) for the optimum chronometric precision.