THOMAS PRESCHER Triple Axis Tourbillon Regulator Sport

THOMAS PRESCHER – The inventor of the flying Triple Axis Tourbillon presents new watch model – Triple Axis Tourbillon Regulator Sport at Basel world 2009. Wristwatch with constant force mechanism in the carriage, fully hand engraved movement, luxury Grey rhodium dial and blazing red hands.

All the Tourbillons are unique pieces, created to the client’s wishes. The Triple Axis Tourbilon has a power reserve of 36 hours and its case is made from 18-carat gold or platinum. All parts of the movement, dial, hands and case are developed and made in house.

Special features
Flying tourbillon construction on three axes
Movement, Caliber TP 3W6A.3, designed and constructed in-house
First triple axis tourbillon wristwatch with constant force mechanism in the carriage
Tourbillon is secured in a specially designed flexible spring to absorb shocks.

Movement
Diameter: 37 mm
Height: 6.46 mm
Number of components: 327
Weight of smallest screw used: 0.0009 grams
Number of jewels: 47
Frequency: 21,600 beats per hour (3 Hz)
Number of spring barrels: two
Plates and bridges: Gold-plated brass, hand-engraved with Guilloché Triangulair
Balance wheel: Copper-beryllium CuBe2
Balance spring: Flat hairspring
Power reserve: 40 hours
Number of subdials: Two
Functions: Hours, minutes, seconds.

Tourbillon
Number of axes: Three
Height of tourbillon rotation: 12.2 mm
Revolution time: One minute
Constant force mechanism: On first axis in tourbillon cage
System of constant force: Inertia acceleration according to Jaenneret
Constant force reloading: 6 times per second
Diameter of balance wheel: 9.5 mm
Diameter of cage: 13.4 mm
Tourbillon weight first axis: 0.347 grams
Weight of first and second axes: 0.766 grams
Weight of first, second, and third axes with ball bearing: 2.879 grams.

Distribution of bearing jewels
First axis – Balance:5, Escapement: 4, Constant force mechanism: 4 and Axis: 2
Second axis – Flying arm: 2
Third axis – Drive mechanism: 4 & Setting mechanism: 4
Movement – Time indication system: 10 and Drive mechanism: 10

Case, dial and Strap
Case
Platinum 950 or 18-karat gold
Crystal:convex sapphire crystal on front and back, anti-reflective on both sides, hand-engraved with individual number
Diameter: 43 mm
Height: 16.1 mm
Water resistance: 1 ATM (10 meters)

Dial
1.2 mm solid silver, hand guilloché with Guilloché Triangulair
18-karat gold applied indexes
18-karat gold dauphine-style hands
18-karat gold hand-engraved name and number plate

Strap
Hand-cut and –sewn black alligator skin uppers and lowers
Buckle in Platinum 950 or 18-karat gold

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