The function of this Trust Index bridge is to keep aligned and hold together the elements of the Power Reserve and Trust Index.

Made of Aluminium-Lithium, it supports all the top of the cage Tourbillon. The angles and the surfaces are polished.

Made of Aluminium-Lithium for better structural strength and light weight, this component hosts the kif anti-choc system. All of its angles are polished. Will be anodized in electrical blue, the color used to highlight the details of Concord watches.

Polishing process to eliminate the blackening of the metal caused by the tempering operation.

Thermical treatment to soften the metal.
This operation involves one or a series of operations in which the solid metal is heated and cooled under specified conditions to develop a required structure and properties.

Axis on which the pinions gear into the spherical differential, which is part of the power reserve gear train.

Design of the main bridges, which will be visible through the open case back of the timepiece.

 
This bridge holds together the elements of the differential, which is part of the power reserve gear train.

These images show the bridge before its coloring treatment and final decoration. The angles, edges and jewel sink are hand-polished and chamfered by a specialized watchmaker or finisher.

Unfinished, rough prototype of the main plate of the C1 Tourbillon Gravity.

Welcome to the “making of” the Concord C1 Tourbillon Gravity.
In the next few weeks, we will be showing you “behind the scene” images of the creation of the first C1 Tourbillon Gravity.
You will be able to follow step-by-step the construction of this amazing timepiece, which will be revealed at Baselworld (3-10 April 2008).
This is not […]