Thomas Prescher Triple Axis Tourbillon Regulator

Swiss luxury watch maker Thomas Prescher presents Triple Axis Tourbillon Regulator: The world’s only triple-axis flying tourbillon wristwatch.

A triple-axis tourbillon is extremely rare; a triple-axis tourbillon wristwatch even more so. However, Thomas Prescher’s triple-axis flying tourbillon is not simply extremely rare – it is absolutely unique.

Prescher’s Triple Axis Tourbillon Regulator features one of the world’s most exclusive and most difficult complications to assemble, set to stunning advantage in a jet-black natural onyx dial that contrasts beautifully with the pink-gold case. Regulator-style hours and seconds are each indicated in their own separate sub-dial, while the constantly animated tourbillon tracks the minutes during its one-hour rotation.

Thomas Prescher has both an affinity and a talent for complicated tourbillons: while his classmates were submitting simple movements for their watch at the end of apprenticeship school, Prescher presented a half-flying tourbillon that confirmed his position as the top of the form. In 2003 he presented the world’s first pocket watch with a flying double-axis tourbillon. On seeing Prescher’s pocket watch, one of his colleagues mentioned that he thought a double-axis tourbillon was impossible in the constrained space of a wristwatch. Prescher not only met but surpassed the challenge a year later with a wristwatch trilogy of single-axis, double-axis and triple-axis tourbillons.

At this extreme level of micro-mechanical sophistication and miniaturisation, watchmaking ceases to be about timekeeping and becomes pure art. Or perhaps that should read “arts”, because we have both the sublime static beauty of a fine painting in the harmonious forms and colours, as well as the graceful movements of the ballerina in the whorled path traced by the mesmerizing triple-axis tourbillon dancing apparently weightlessly in space.

Technical details
Model: Triple Axis Tourbillon Regulator
Features: Calibre TP 3W6A.3; mechanical hand-winding indicating hours, minutes and seconds; flying tourbillon with constant-force in carriage; tourbillon flying on all axes; tourbillon with shock protection.

Movement
Calibre TP 3W6A.3
Movement dimensions: 37mm x 6.5mm
Parts: 327
Jewels: 43
Power reserve: 40 hours
Mainspring barrels: 2 (connected in parallel)
Balance wheel: copper-beryllium CuBe2
Balance frequency: 21’600 bph/3hz
Balance spring: flat hairspring
Plates and bridges: gold-plated brass
Smallest screw: 0.0009 grams
Tourbillon, constant-force mechanism and oscillator
Axes: 3
Tourbillon rotation height: 12.2mm
Full revolution: 1st axis one minute, 2nd axis one minute, 3rd axis 60 minutes
Constant-force mechanism: positioned in the tourbillon cage
Constant-force system: Jeanneret’s inertia acceleration
Constant-force loading: 6 times per second
Diameter of balance wheel: 9.5mm
Diameter of tourbillon cage: 13.4mm
Weight of tourbillon 1st axis: 0.347 grams
Weight of 1st and 2nd axis: 0.766 grams
Weight of 1st, 2nd and 3rd axis (incl. bearing): 2.879 grams

Number of bearing jewels: 43 total – 1st axis: 5 x balance, 4 x escapement, 4 x constant-force mechanism; 2nd axis: 2 x flying arm; 3rd axis: 4 x drive mechanism, 4 x setting mechanism; movement: 10 x time indication mechanism, 10 x gear train

Case, dial and strap
Case: 18K pink (4N) gold (also available in platinum 950)
Case dimensions: 43mm x 16.5mm
Sapphire crystals: Top-domed and display back with anti-reflective treatment both sides.
Water-resistance: 1atm/10m/30 feet
Dial and hands: Natural black onyx, 50 per cent thicker than usual for a richer/deeper black, 18K gold-applied indices, 18K gold Dauphine-style hands, 18K gold engraved name and serial number plate (also available with hand-guilloched or custom decorated solid silver dial).
Strap and buckle: Hand-crafted black alligator uppers and lower, 18K pink gold (or 950 platinum) tang buckle to match case material.

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