DeWitt Academia Tourbillon Force Constante

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Academia Tourbillon Force Constante is a wristwatch by DeWitt.

Info

In the spring of 2006 Jérôme de Witt presented at the Baselworld this extraordinary luxury watch with tourbillon. It is equipped with the patented manual winding manufacture movement DW 8003, which was newly developed in collaboration with BNB.

The term "force constante" refers to a novel escapement system in which the driving force of the mainspring is held continuously equal during the entire running time. This is not the case with the usual watch concept, because the mainspring - especially for watches with manual winding -, when fully wound, is tightly stretched and then provides a much higher energy than at the end of the running time. In contrast, the escapement concept which is introduced here gets the energy of the barrel only once per second and sends it to the tourbillon every 10 seconds.

This process of dosed force transmission can be followed through a dial aperture where a cross-shaped inertial element with four hammers performs six revolutions per minute.

Movement:

Manual winding manufacture movement DW 8003, 21,600 A/h
Tourbillon movement with patented regulation system
26 jewels
Plate and bridges with Côtes de Genève
Power reserve 72 h

Case:

Platinum
Ø 43.0 mm, H ? mm
Bezel and middle section with the exklusive decor Colonnes Impériales
Sapphire crystal
Screwed platinum sapphire crystal caseback
Waterproof to 30 m

Dial:

Anthracitegrau, rote Reliefs
Skeletonized hours and minutes indication in the upper half of the dial
Aperture above the mechanism for constant force transfer at the "8"
Aperture above the tourbillon cage at the "5"

Functions:

Hours, minutes

Bracelet:

Grey Alligator strap with folding clasp in platinum

Price:

Around $100,000 - $250,000 depending on model

Limited edition:

250 pieces

Video