Montblanc - Timewalker Exotourbillon Minute Chonograph Limited Edition 100
The one-minute ExoTourbillon complication 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 screw balance, which is positioned outside of the tourbillon's rotating cage. This original patented 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. A particularly useful feature of this movement is its stop-second mechanism, which directly halts the screw balance by means of a tiny spring, and allows the user to also 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 practical hour setting allows the user to advance the hours in hourly increments in the second position of the crown forwards and backwards thus ensuring quick and uncomplicated time setting. Repositioning the hour-hand has no effect whatsoever on the minute- and second-hand, so the precise time is always preserved. This function is linked to the date, making setting the timepiece while travelling a breeze. To set the date display, the user advances or retreats the hour-hand through 24 hours. Whenever this hand's tip passes the 24th hour, the hand of the date display either advances or retreats accordingly. In the third position of the crown, the time can be adjusted and a red arrow hand is displayed on the tourbillon cage for an exact setting of the seconds.
This innovative Tourbillon construction is integrated in Montblanc's own in-house developed chronograph calibre that combines all the elements of a traditional chronograph with a contemporary highly performant construction: monopusher with column wheel, efficient and precise vertical coupling, automatic winding and two barrels.
Performance continues through the timepiece's 44mm three-part case with a unique material mix of titanium, carbon fibre and DLC. The result is a lightweight yet robust case that protects the movement beneath and accentuates the distinctive TimeWalker look.
The graine dial of the TimeWalker ExoTourbillon Minute Chronograph Limited Edition 100 accentuates the Maison's focus on aesthetics, performance and legibility, with the time displayed in an-off-centred black dial at 12 o'clock with a mix of red and white Arabic numerals that have been enhanced with a luminescent SuperLumiNova®. The lower section of the dial showcases the patented Exotourbillon and features two semi-circular counters with their double indication hands at 8 o'clock for the elapsed-seconds, and 4 o'clock for the elapsed-minutes. The dial is enhanced by a domed sapphire crystal with anti-reflective treatments on both sides and vertical flanks, providing excellent visibility and scratch-resistance.
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