Sol Invictus Watch by Cabestan & Marc Alfieri

In 2010, Sol Invictus, by Cabestan & Marc Alfieri

, is the first mechanical watch in the world to integrate a perpetual winding system powered by solar energy.

Sol Invictus incarnates the new generation of exclusive watchmaking : three of the leading names in the industry, Marc Alfieri, Jean-Franois Ruchonnet and Eric Coudray, worked together to create the unimaginable. Sol Invictus, Invincible Sun, god revered by the Roman Emperor Aurelian, is today the name of this extra ordinary creation.

The vision was to link the Cabestan's micromechanics to miniature photovoltaic cells, store energy and then draw upon it as needed, to electromechanically set the time and perpetually rewind the movement.

The result is a rare work of mechanical art. An exceptional timepiece demonstrating unparalleled elegance and harmony, housing one of the most precise mechanical movements in the world.

Sol Invictus Watch Technical specifications

Indications - Hours, minutes, seconds read from three engraved rotary drums. Power reserve indicator on an engraved rotary drum. Symbols of the sun used by ancient civilisations engraved on the barrel.

Movement - Fully mechanical movement calibre CAB EC 101 with Swiss anchor escapement. Mechanical tourbillon mecanique regulated on 6 positions with constant torque provided by the chain and fusee system.

- Frequency : 21 600 ALT/H OR 3 HZ

- Breguet balance-spring ; Geneva stud

- 53 Rubies

- Steel chain 160 mm long composed of 235 links and 156 rivets.

- Winding and time setting controlled using the crown (manual and electromechanical) or perpetual winding using the solar power system.

- Vertical gear system and differential.

- Grade titanium case with lateral window (other materials on request).

Power system - Miniature perpetual energy solar power system.

- Twin solar cells developed using proprietary technology from l'INES (Institut National de l'Energie Solaire).

- Automatic electromechanical switch with twin-blade contact activated by magnet.

- Lithium-Ion batteries

- Programmable controller / oscillator circuitry

- Two brushless DC micromotors for rewinding and time setting.

Availability Each timepiece will be produced on demand using the materials and configuration desired by its future owner, making each piece unique.

Price starting at CHF 595000

Sol Invictus Watch by Cabestan & Marc Alfieri

By: barbrine

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