Continuing on from the unveiling of last year’s Bohème ExoTourbillon Slim 110 years Anniversary Limited Edition 10 with its red or blue dial, Montblanc is now unveiling the Bohème ExoTourbillon Jewellery Motif Serpent Limited Edition 18, in harmonious shades of purple.
Available in a choice of 18K red gold or 18K white gold, these new Bohème timepieces enrich the codes of fine watchmaking with elegance and femininity. Each dial is a work of art enhancing traditional decoration, such as gem-setting, miniature gold-work and hand-painted lacquer—all on a delicate backdrop of white mother-of-pearl.
The refined craftsmanship continues across the cases which feature slightly curved faceted horns, sculpted onion crowns, and bezels set with sparkling diamonds. A closer look reveals the Bohème design details, such as leaf-shaped hands and floral Arabic numerals that all attest to the attention to detail that goes into the creation of each and every Montblanc Bohème timepiece.
The ExoTourbillon outperforms standard tourbillon constructions for two reasons. Firstly, the weight of the cage of the ExoTourbillon is disconnected from the balance wheel, and secondly, the weight of the cage is minimal, thus resulting in higher precision and improved isochronism. The balance wheel has a diameter of 9.7 mm, which also plays an important part in the performance of the timepiece thanks to its impressive 18 screws — four of which can be adjusted, and 14 of which are fixed — further improving precision and following the purest watchmaking tradition.
The ExoTourbillon automatic calibre MB M29.24 incorporates a micro-rotor and allows an uninterrupted view on the movement through a sapphire crystal caseback, in comparison to a standard rotor that always hides half of the movement. The whole construction measures a mere 4.5 mm in height, a feat in itself for a calibre of this complexity.
The ExoTourbillon features a practical quick stop-second mechanism. This function is made possible thanks to the construction of a whip, which halts the large balance with its 18 screws and restarts it on demand. Optimal geometry and kinematics were studied in depth to find the right angle at the end of the whip, allowing the user to set the time to the exact second and ensure an immediate restart of the movement. The quick 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 of the watch. All the functions and operations are set via the crown at three o’clock.
For elegance and craftsmanship, this innovative in-house manufacture movement has been decorated to the high standards of fine watchmaking: Côtes de Genève "en éventail” decoration on the bridges and micro-rotor, mirror polishing on the red gold-plated tourbillon bridge in the shape of a twirling stick, satin-finishing on the main plate, and a sunray finishing on the plate below the micro-rotor.
The multilayer sophisticated dial of the Montblanc Bohème ExoTourbillon Jewellery Motif Serpent Limited Edition 18 has been hand-crafted using a refined white mother-of-pearl that becomes the canvas for the decoration. The first step is the application of fine gold bands that take on the form of the serpent’s body and its honeycomb scales. Then the gold-plated hornet’s nest and the number 12 are applied onto the delicate mother-of-pearl dial, creating a three-dimensional effect as the serpent entwines its body above and below the gold ribbons. The artisan will then begin hand-painting the serpent’s body with different shades of purple, bringing even more depth to the design. The final step is the setting of 51 blue, rose and purple gem-stones onto the serpent and two red rubies for the eyes that are embedded into the red gold-plated elements of the reptile for utmost refinement.
Designed to suit smaller wrists, the 38 mm slim case comes in a choice of 18K red gold or 18K white gold and measures a mere 9.37 mm in height. The elegant case design includes slightly curved integrated horns, an onion crown with the patented Montblanc diamond and 58 Top Wesselton diamonds that illuminate the bezel.
The Montblanc Bohème ExoTourbillon Jewellery Motif Serpent Limited Edition 18 is tested for over 500 hours and is certified by the Montblanc Laboratory Test 500, guaranteeing utmost performance and reliability.
Montblanc Bohème ExoTourbillon Jewellery Motif Serpent Limited Edition 18
Montblanc Manufacture Calibre MB M29.24
Mechanical movement with automatic winding, 1-minute ExoTourbillon with quick stop-second mechanism
Diameter = 30.6 mm; height = 4.5 mm
Number of components: 202
Number of rubies: 27
Power reserve: 48 hours
Balance: Flat hoop with 18 screws
Frequency: 21,600 A/h (3 Hz)
Plate: Rhodium-plated and stretched stripes
Bridges: Rhodium-plated and Côtes de Genève “en Eventail”
Hours and minutes from the center
Patented ExoTourbillon at 6 o’clock (one revolution per minute to indicate the seconds) with a red gold-plated tourbillon bridge
18K red gold case (5N), 18K red gold fixed bezel set with 58 Top Wesselton diamonds (~ 1.39 ct.)
Crystal: Scratch-resistant, cambered & antireflective sapphire crystal
Back: 18 K red gold (5N) with inset sapphire crystal
Diameter = 38 mm; Height = 9.37 mm
Water tightness: 3 bar
Crown: 18K red gold (5N) with patented Montblanc Diamond (0.10 ct)
Artisanal dial made of white mother-of-pearl, red gold-plated structure enhancing a serpent painted with purple lacquer and set with 51 Top Wesselton blue, purple & rose diamonds (~ 0.1124 ct.) & 2 rubies for its eyes, red gold-plated floral numeral, purple leaf-shaped hands
Purple alligator leather strap with a 18K red gold pin buckle (5N) set with one diamond (~ 0.009 ct.) encircled by the engraved Montblanc emblem
Limited Edition of 18 pieces
Also available in a white gold version limited to 18 pieces (ident. 117198)
Certified by the Montblanc Performance Test 500
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