Wednesday, August 3, 2016

Montblanc Heritage Chronométrie ExoTourbillon Minute Chronograph

Since 1858, the Montblanc Manufacture in Villeret has been making the finest timepieces in terms of craftsmanship and performance. These values continue today with timepieces that capture the elegance of watchmaking past, and yet benefit from the Maison's innovative in-house movements.

The new Montblanc Heritage Chronométrie ExoTourbillon Minute Chronograph celebrates the design codes of the past, while presenting a unique and contemporary interpretation of the tourbillon and chronograph complications.

The Heritage Chronométrie Collections draws its design inspiration from the Montblanc Pythagore timepiece. This wristwatch developed in 1948 featured a pure and elegant ivory dial with applied Arabic numerals and indexes, as well as a precise minute scale. Housed in a slim polished gold case with curved horns and a stepped bezel, the Pythagore epitomized classical Swiss fine watchmaking.

The new Heritage Chronométrie ExoTourbillon Minute Chronograph is equipped with the Montblanc Manufacture Calibre MB R230; a pioneering calibre featuring two of the most significant chronometric complications: the legendary patented ExoTourbillon with a quick stop-second, and a monopusher chronograph with a twin barrel mechanism.
The one-minute ExoTourbillon complication, first introduced in 2010, was developed entirely in-house by the master watchmakers at the Montblanc Manufacture. The Exo in the name is derived from the Greek for external or outside and refers to the balance with screws, which is positioned outside of the tourbillon’s rotating cage. This innovated patented mechanical architecture allows the cage to be smaller in size and free of the weight of the balance, saving 30 per cent more energy than a conventional tourbillon. The fact that the balance is positioned outside of the rotating cage also means that it isn’t affected by the inertia of the cage, therefore improving precision.

This tourbillon is integrated into Montblanc’s in-house chronograph calibre combining all the elements of a traditional chronograph with a contemporary high-performance construction: a monopusher with column wheel, efficient and precise vertical coupling, automatic winding with a 18-karat red-plated gold rotor, and two barrels for a power reserve of approximately 50 hours. This movement also features a highly functional stop-second mechanism, which directly halts the screw balance by means of a tiny spring, and allows the user to set the seconds precisely. The stop-second mechanism instantly stops the balance from rotating, instead of halting the tourbillon cage, which can cause the balance to continue swinging and upset the precision. A red arrow hand is displayed on the tourbillon cage, along with a graduated scale around the outside, for the exact setting of the seconds.

Montblanc's tribute to its fine watchmaking heritage carries through to the design of the timepiece with a sophisticated dial crafted out of a dyed dark blue aventurine. This semi- precious stone is a type of quartz with tiny inclusions that give it its glittering starry night sky qualities, creating an elegant backdrop for the indications. The bottom part of the dial houses the magnificent ExoTourbillon with its 18-karat red gold-plated bridge set against a silvery vertical satin-finished plate.

The hours and minutes are indicated with red gold-plated faceted sword-shaped hands that are slightly off-centered and positioned at the centre of a blued guilloché flinqué disc with a graceful wave decoration. This focal point not only provides the perfect balance to the ExoTourbillon at six o'clock, but also indicates the date via a red-tipped red gold-plated hand that points to the date marked around the disc. For the chronograph function, the elapsed seconds (at eight o'clock) and minutes (at four o'clock) can be read on two semi-circular counters with hands of different lengths to match the appropriate sectorial scales. Other fine watchmaking details include a precise minute track around the outside of the dial for increased legibility, and a sparkling patented diamond at 12 o'clock, cut in the form of the Montblanc star emblem.

The Montblanc Heritage Chronométrie ExoTourbillon Minute Chronograph comes in a slim, round, 44mm case in 18-karat red gold. Curved horns with characteristic facets, a stepped concave bezel, and a crown embedded with the Montblanc emblem, also contribute to the refinement of the timepiece. In addition to this model, Montblanc has unveiled a gem-set version with 76 diamonds on the bezel, which is limited to 28 pieces worldwide.

In order to ensure the highest performance and quality of its timepieces, Montblanc tests all of its Heritage Chronométrie Collections in its Montblanc Laboratory for over 500 hours. Called the Montblanc Laboratory Test 500, this quality control examination has been completely developed in-house and evaluates timepieces in numerous simulated real-life situations. Where many tests only control the movement, Montblanc tests the final watch, making this certification something truly unique in fine watchmaking.

The Heritage Chronométrie Collections are also equipped with high-quality alligator leather straps crafted by the Montblanc Pelletteria, the Maison's own leather manufacture in Florence Italy, enabling Montblanc to offer the utmost quality.

The Montblanc Heritage Chronométrie ExoTourbillon Minute Chronograph Collection is available in Montblanc boutiques worldwide from August 2016.

Technical details
Montblanc Heritage Chronométrie ExoTourbillon Minute Chronograph Vasco Da Gama, Ident. 115128
Movement
Montblanc Manufacture Calibre MB R230
Mechanical movement with double barrel, automatic winding mechanism with 18K red gold rotor, one-minute patented ExoTourbillon with quick stop-second mechanism
Chronograph: Monopusher with column-wheel and vertical coupling
Dimensions: Diameter = 33.7 mm; height = 8.65 mm
No. of components: 230
No. of rubies: 44
Power reserve: Approx. 50 hours
Balance: Screw balance, diameter = 9.7 mm; moment of inertia = 12 mgcm2
Frequency: 21,600 A/h (3 Hz)
Hairspring: Flat
Plate: Rhodium plating and circular graining
Bridges: Rhodium plating and “Côtes de Genève”
Gear-train: Special tooth profile improves the efficiency of the power transmission

Functions
Displays (Watch): Off-centre hours and minutes. Date on an off-center subdial. Patented ExoTourbillon at 6 o’clock (one revolution per minute to indicate the seconds) with a red gold-plated tourbillon bridge
Display (Chrono): 60 elapsed seconds and 30 elapsed minutes counters with double indication hands and corresponding sectorial scales
Special features: Travel function with rapid reset of hour-hand and date display either forward or backward. Tourbillon can be stopped by directly halting the balance wheel.
Habillage

Case
18 K red gold, polished case with satin-finished interhorns
Crystal: Scratch-resistant, domed sapphire crystal with antireflective treatment on both surfaces
Back: Screwed 18 K red gold back with inset pane of sapphire crystal
Dimensions: Diameter = 44 mm; height = 14.79 mm
Watertightness: 3 bar
Crown: 18 K red gold with Montblanc emblem in raised relief
Push-piece: Monopusher at “8 o’clock”

Dial
Upper part made of aventurine depicting the sky at night with the patented Montblanc diamond at “12 o’clock” and vertical satin-finished on the lower part, red gold-plated sword-shaped hour-hand and minute-hand, date shown by a hand with a little red crescent at its tip on a blued guilloché flinqué wave pattern decoration on off-centre dial, chronograph with two counters (one counter for 60 elapsed seconds at “8 o’clock” and a second counter for 30 elapsed minutes at “4 o’clock”) with double indication hands and corresponding sectorial sales

Wristband
Black alligator-skin strap crafted at the Montblanc Pelletteria in Florence with 18 K red gold pin buckle

Certification
Certified by the Montblanc Performance Test 500

Montblanc Heritage Chronométrie ExoTourbillon Minute Chronograph Vasco Da Gama Limited Edition – 28 pieces, Ident. 115129
Movement
Montblanc Manufacture Calibre MB R230
Mechanical movement with double barrel, automatic winding mechanism with 18 K red gold rotor, one-minute patented ExoTourbillon with quick stop-second mechanism
Chronograph: Monopusher with column-wheel and vertical coupling
Dimensions: Diameter = 33.7 mm; height = 8.65 mm
No. of components: 230
No. of rubies: 44
Power reserve: Approx. 50 hours
Balance: Screw balance, diameter = 9.7 mm; moment of inertia = 12 mgcm2
Frequency: 21,600 A/h (3 Hz)
Hairspring: Flat
Plate: Rhodium plating and circular graining
Bridges: Rhodium plating and “Côtes de Genève”
Gear-train: Special tooth profile improves the efficiency of the power transmission

Functions
Displays (Watch): Off-centre hours and minutes. Date on an off-center subdial. Patented ExoTourbillon at 6 o’clock (one revolution per minute to indicate the seconds) with a red gold-plated tourbillon bridge
Display (Chrono): 60 elapsed seconds and 30 elapsed minutes counters with double indication hands and corresponding sectorial scales
Special features: Travel function with rapid reset of hour-hand and date display either forward or backward. Tourbillon can be stopped by directly halting the balance wheel
Habillage

Case
18 K red gold, polished case with satin-finished interhorns, bezel set with 76 diamonds
Crystal: Scratch-resistant, domed sapphire crystal with antireflective treatment on both surfaces
Back: Screwed 18 K red gold back with inset pane of sapphire crystal
Diameter = 44 mm; height = 14.79 mm
Water tightness: 3 bar
Crown: 18 K red gold with Montblanc emblem in raised relief
Push-piece: Monopusher at “8 o’clock”

Dial
Upper part made of aventurine depicting the sky at night with the patented Montblanc diamond at “12 o’clock” and vertical satin-finished on the lower part, red gold-plated sword-shaped hour-hand and minute-hand, date shown by a hand with a little red crescent at its tip on a blued guilloché flinqué wave pattern decoration on off-centre dial, chronograph with two counters (one counter for 60 elapsed seconds at “8 o’clock” and a second counter for 30 elapsed minutes at “4 o’clock”) with double indication hands and corresponding sectorial scales

Wristband
Black alligator-skin strap crafted at the Montblanc Pelletteria in Florence with 18 K red gold pin buckle

Edition
Limited Edition: 28

Certification
Certified by the Montblanc Performance Test 500

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