Montblanc Star Legacy Nicolas Rieussec Chronograph MB136359 in a full dial view

Montblanc Rieussec MB136359: The Case for Reading Elapsed Time Sideways

Most chronographs ask the same question in slightly different typography: how much elapsed time has passed? The Montblanc Star Legacy Nicolas Rieussec Chronograph 43mm Limited Edition, reference MB136359, changes the reading method itself. Its two discs rotate beneath a fixed bridge at six o’clock, separating the act of timing from the conventional subdial-and-hand formula. For a collector, that is the useful starting point. The horse-racing illustration may attract attention, but the display architecture is what gives this watch a reason to exist.

Why the discs matter

Nicolas Rieussec’s 1821 instrument recorded finishing times by placing ink marks on rotating discs. Montblanc’s modern interpretation does not imitate the ink mechanism, yet it preserves the essential visual logic: the scales move while the indicator remains fixed. The left disc records 60 seconds and the right 30 minutes, with a double-ended bridge reading both. It is immediately legible once learned, though less instinctive than a central chronograph seconds hand.

Close view of the Montblanc MB136359 dial illustration and hour display
The historical scene sits beneath the practical hour display rather than replacing it. Photo: Fratello Watches.

That difference is not a novelty for novelty’s sake. The layout gives the chronograph a distinct identity without hiding the controls. A single pusher integrated into the case handles start, stop and reset. The date remains at six, while a skeletonised 12-hour GMT hand and day/night indication add travel utility. There is considerable information here, but the visual hierarchy is disciplined: local time occupies the upper dial, timing stays below, and the historical scene becomes background texture.

Close view of the rotating chronograph discs and date on the Montblanc MB136359
Two rotating elapsed-time discs are read against the fixed bridge; the date remains below. Photo: Fratello Watches.

History earns its place only when it helps the object

The brown dial depicts four jockeys crossing the finish line at the Champ-de-Mars, where Rieussec tested his timing device. French inscriptions on the flange refer to the Académie des Sciences, which recognised the invention. Even the strap lining carries an 1821 map of Paris. These details could easily have become costume design. They work better here because the mechanism, display and decoration tell the same story.

Caseback and 1821 Paris map strap lining of the Montblanc MB136359
The sapphire back reveals calibre MB R200, while the strap lining carries an 1821 Paris map. Photo: Fratello Watches.

The restraint is relative. Rose-gold-coloured numerals, extensive text and the monochrome race illustration make this a theatrical watch. Buyers looking for a quiet steel chronograph should not try to rationalise it into one. The better question is whether the narrative remains engaging after the first explanation. If the answer is yes, few modern chronographs present their origin so coherently.

Montblanc MB136359 worn on the wrist in natural light
On the wrist, the 43mm case and illustrated dial are deliberately conspicuous. Photo: Fratello Watches.

The movement justifies the conversation

The case measures 43mm across, 51mm lug to lug and 15.01mm thick, with 50 metres of water resistance. Those numbers are substantial, and the wrist photograph confirms that this is not a discreet dress chronograph. Its size does, however, give the unusual display room to breathe. The rectangular monopusher also keeps the case cleaner than a conventional two-pusher arrangement.

Rectangular monopusher and polished case flank of the Montblanc MB136359
The integrated rectangular monopusher controls start, stop and reset. Photo: Fratello Watches.

Inside is Montblanc’s automatic manufacture calibre MB R200. It uses a column wheel and vertical coupling, runs at 4Hz and offers approximately 72 hours of power reserve from two barrels in series. The movement comprises 319 components and 40 jewels. Those specifications matter because they move the watch beyond themed decoration: the underlying chronograph is technically serious and designed around the display rather than adapted to it.

Close view of the Montblanc MB R200 automatic chronograph movement
Calibre MB R200 combines a column wheel, vertical coupling and twin barrels. Photo: Fratello Watches.

The collector’s decision

Montblanc lists the limited edition at €9,200, with reported US and Swiss list prices of US$9,800 and CHF7,900. Production is capped at 821 pieces, a direct reference to 1821. Those are launch/list prices, not evidence of transaction values or future performance.

Montblanc MB136359 on the wrist showing its 43 mm case presence
The watch rewards wrist presence rather than attempting to disappear under a cuff. Photo: Fratello Watches.

The buying case is strongest for someone who values an alternative chronograph display and accepts the watch’s scale. Check that the rotating discs read cleanly at a glance, that the 51mm span sits securely on the wrist, and that the illustrated dial still feels purposeful rather than merely decorative. This is not the universal chronograph in a collection. It is the one that explains, mechanically and visually, why it looks different.

Featured photograph: Fratello Watches.

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