Montblanc 4810 Exo Tourbillon Slim

  • Montblanc 4810 Exo Tourbillon Slim
  • Montblanc 4810 Exo Tourbillon Slim

Montblanc 4810 Exo Tourbillon Slim

  • TRADITION TO CREATE LUXURY WATCHES. Switzerland is long the home of finest watchmaking traditions. In Montblanc’s Le Locle and Villeret Manufactures in the Swiss Alps, superbly intricate movements are crafted in house by master watchmakers to form the heart of every chronograph. Innovative complications and exquisite adornments are meticulously shaped with skill and dedication to perfect each watch. From hairspring and balance bearing to pallet fork, in over 300 hours of dedicated focus all the elements are brought into singular harmony, and with the first turn of its movement, a watch comes to life and a journey begins.


The Story

Inspired by the golden age of trade and travels across the Atlantic Ocean, this sophisticated timepiece in the Montblanc 4810 Collection introduces the new Manufacture Calibre MB 29.21 while manifesting a classically elegant design. Endowing Montblanc’s patented Exo Tourbillon with a highly functional stop-seconds mechanism, the new automatic calibre allows for setting the time precisely to the second. Smaller than standard rotors, the movement’s ultra-velocity micro rotor balances performance and precision while enabling a lighter and slimmer construction. Bearing rose gold-plated Roman numerals and indexes as well as rose gold-plated regate hours and minutes hands, the silvery-white dial exhibits an exploding Montblanc star pattern on the upper part, while the Exo Tourbillon is surrounded by a refined “Côtes de Genève” guilloché pattern. The 42 mm rose gold case features straight horns, which are rounded to better suit the wrist of the wearer. With ultimate functionality and longevity ensured by the Montblanc Laboratory Test 500, the Exo Tourbillon stop-seconds complication bestows this fine lifetime companion with everlasting precision.


Movement Type



    MB M29.21


    Screw balance, Ø 9.7 mm; 12 mg.cm²

Power Reserve

    Approx. 48 hrs

No. of Components

    202 components


    21,600 vibrations per hour (3 Hz)

Balance Spring

    Flat hairspring


    Rhodium-plated with stretched stripes


    Rhodium-plated bridges with Geneva stripes

Going Train

    Wheel train with special toothing for a more efficient power transmission


    18 K rose gold


    Silvery-white guilloché dial with rose gold-coated Roman numerals and indexes


    Fixed, 18 K rose gold

Sapphire Crystal

    Domed sapphire crystal with double anti-reflective coating


    Non-screw crown, 1 O-ring, 18 K rose gold with mother-of-pearl Montblanc emblem


    18 K rose gold-coated luminescent regate hands


    10.14 mm


    42 mm

Water Resistant

    5 bar (50 m)




    18 K rose gold pin buckle

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