Monday, January 25, 2016

Montblanc 4810 ExoTourbillon Slim Limited Edition

The transatlantic theme is beautifully highlighted in three Montblanc ExoTourbillon Slim Limited Editions with a miniature hand painting of a map of the North American, Asian and European Continent on the dial. Each of the 110 pieces is totally unique as no individual hand-painted map can ever be exactly the same as another.  The lower section of the dial has been decorated with the Côtes de Genève motif to highlight the ExoTourbillon construction at 6 o’clock, and a single rhodium plated XII and rhodium plated skeletonized hands maximize the view of the map.  A discreet minute track has been added to the exterior of the dial with a red “60” at 12 o’clock for ease of reading.

A close look at the ExoTourbillon Slim Limited Edition reveals a 42 mm white gold case with a number of subtle design details, including a thin bezel with satin finishing on the border and horns that, while straight from above, are slightly curved on the underside for maximum comfort on the wrist.
This limited edition features the Calibre MB 29.24—powered for the very first time by a micro-rotor  decorated with a Côtes de Genève en Eventail pattern that reveals an undisturbed view on this patented manufacture movement beneath a large sapphire crystal on the back of the timepiece. Montblanc has chosen not to feature the crown setting quick stop-second indication on this model so as not to cover the hand-painted dial.

The quick stop-seconds are indicated on the tourbillon cage with an eye-catching red arrow. This practical quick stop-second function is made possible thanks to the construction of the ExoTourbillon, which halts the screw balance by means of a tiny spring, allowing the user to set the time to the exact second. 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. The quick stop-second mechanism can be achieved by pulling the crown at 3 o’clock.

The Montblanc 4810 ExoTourbillon Slim Limited Edition is fitted with a black alligator strap and has been subjected to over 500 hours of real-life testing by the Montblanc Laboratory Test 500.

Technical details
Model: Montblanc 4810 ExoTourbillon Slim Transatlantic Limited Edition North America
Ident. 115125

Movement
Montblanc Manufacture Calibre MB 29.24
Mechanical movement with automatic winding, ExoTourbillon with quick stop-second mechanism
Dimensions Diameter = 30.6 mm ; height = 4.5 mm
Number of components 202
Number of rubies 29
Power reserve Approx. 48 hours
Balance Flat hoop with 18 screws
Frequency 21,600 A/h (3 Hz)
Hairspring Flat
Plate Rhodium plating and stretched stripes
Bridges Rhodium plating and Côtes de Genève en Eventail

Displays
Hours and minutes from the center
Crown setting and quick stop-second indication at 3 o’clock
Patented ExoTourbillon at 6 o’clock (one revolution per minute to indicate the seconds) with a steel tourbillon bridge
Habillage

Case
18 K white gold case, satinated middle part
Crystal: Scratch-resistant, domed sapphire and antireflective crystal
Back: 18 K white gold with inset pane of sapphire crystal
Diameter = 42 mm; height = 10.14 mm
Water-tightness: 5 bar
Crown: 18 K white gold with mother-of-pearl Montblanc emblem

Dial
Upper part of the dial with hand-painted (“peinture miniature”) North American continent and “Côte de Genève” decoration on the lower part of the dial to highlight the ExoTourbillon
Rhodium plated Roman numeral “12”, rhodium plated skeletonized hour-hand and minute-hand in dauphine shape

Wristband
Black alligator-skin strap with 18 K white gold pin buckle

Limitation
36 timepieces

Certification
Certified by the Montblanc Performance Test 500

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