Inversion Principle Tourbillon Watch - Fonderie 47

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A completly original Timepiece.

Central Three-Minute Flying Tourbillion, Instantaneous Jumping Hours with Quick-Set Pusher,

240° Retrograde Minutes, Lateral and Back Power Reserve Indicators

3D Rendering - Virtualideas.ch

Revenues from the sale of each timepiece will be used fund the destruction of one thousand assault weapons in Africa, creating a safer environment for aid and development. This is astrategy that Peter Thum (Fonderie 47 founder) already implemented successfully in creating Ethos Water to fund clean water projects in Africa and around the world.

While Inversion Principle is first and foremost a very exclusive haute horlogerie timepiece, subtle elements and mechanisms discreetly feature key attributes of the AK47.

Each timepiece incorporates a plate on the back made from the transformed steel of a destroyed assault weapon.

Inversion Principle is a limited edition of 20 pieces: 10 in white gold and 10 in red gold.

3D Rendering - Virtualideas.ch

Specifications – Fonderie 47 Inversion Principle

Case: 18k white gold or 18k red gold, 42mm x 14.6mm, sapphire crystal traversed by embedded gold bezel bridge framing tourbillon cage, lateral sapphire window in case band for power reserve indicator

Movement Caliber F47-001 :

Regulator : Central three-minute flying tourbillon
Tourbillon cage : gold counter weight and curved to follow sapphire crystal
Jumping hour : thin mechanism (patented)
Retrograde seconds : mechanism with light aluminum arm and precision regulator
Power reserve : six days
Balance frequency : 18,000bph (2.5Hz)
Jewels : 38
Balance spring : Breguet overcoil and distinctive balance spring stud
Finishing : Sun ray guilloche; hand engraving; hand polished bevels; heat-blued screws and power reserve indicator on back.