The big, stoppable, and flying Three-Minute-Toubillon defines this watch. Two recessed subsidiary dials for the seconds and the hours, each with unambiguous scales and differentiated had shapes, accompany the sweep minutes indication. A suite of surprising solutions, such as the unusual size and shape of the tourbillon cate or its longer periodicity, makes it possible to actually see absolute rate accuracy with the naked eye. The patented stop seconds mechanism is realized with a fine-hair brush made of human hair. A display back reveals the spirited beauty of the movement.

BENU Tourbillon

 168.000,00 175.000,00

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White gold Argenté, Rose gold Argenté, White gold Black


Manufacture calibre 103.0, manually wound, adjusted in five positions

No. of parts

245 (wheel train 186, cage 59)

No. of jewels

30, of which 4 in screwed gold chatons (wheel train 17, cage 13)


Lever escapement

Oscillation system

Grossmann three-minute tourbillon with stop seconds, Gustav Gerstenberger geometry, Nivarox 1 balance spring, Shock-resistant Grossmann balance with 4 inertia and 2 poising screws, with No. 80 Breguet terminal curve


Diameter: 14.2 mm, Frequency: 18,000 semi-oscillations per hour

Cage diameter

16.0 mm

Cage speed

1 revolution in three minutes, anti-clockwise when viewed from dial side

Power reserve

72 hours when fully wound

Operating elements

crown for winding the watch and setting the time, pusher to start the movement


Hours and minutes, subsidiary seconds with stop seconds, Grossmann manual winder with pusher


750/000 gold

Case Dimensions

Diameter: 44.5 mm, height: 13.8 mm

Movement dimensions

Diameter: 38.4 mm, height: 7.1 mm


arabic numerals, argenté, black, solid silver, three part


Hand-crafted, steel or stainless steel

Glass and Caseback

Sapphire crystal, antireflective coating on one side

Special Features

equidistant locking escapement with counterweight and detent pin in the lever, Grossmann balance with suspended hairspring and adjustment via poising screws in the rim, Grossmann balance, Grossmann manual winder with pusher for uncoupling the handsetting mode and restarting the movement, space saving and modified Glashütte stopwork with backlash, pillar movement with 2/3 plate and frame pillars in untreated German silver, broad horizontal Glashütte ribbing, 3-band snailing on the ratchet wheel, raised gold chatons with pan-head screws, separately removable clutch winder, ARCAP train wheels, asymmetric-arm lever escapement with counterweight and lever banking pin with suspended balance spring, adjustable with poising screws in the rim, brake ring on the fourth-wheel arbor made of very hard, oily guaiacum, flying three-minute tourbillon with screw-secured driving wheel and V-shaped balance bridge (design patent pending), hand-engraved 2/3 plate and tourbillon cock, newly developed mainspring barrel jewel bearing, replacement of the missing minute scale segment from 25 to 35 minutes with a separate scale swept by the extension of the minute hand on the opposite side (patent pending), stop seconds at the balance wheel rim with a pivoting fine-hair brush (patent pending), sweep minutes, off-centre hours and seconds with stop seconds, white sapphire bearing jewels


alligator leather, hand-stiched

Strap color

Black, Dark Brown


Butterfly Clasp

Closer material

750/000 gold