Dubbed after the chronograph’s inventor, Nicolas Rieussec, the MB R100 was the first Montblanc-made caliber, presented by the company earlier this year. Rieussec’s technique of two rotating disks inspired the design of the novel chronograph.The Monopusher Chronograph case, measuring 43 mm in diameter, is sculptured in either 18k white, yellow or red gold or 950 platinum.
The model is animated by an adorned manual winding movement, opened to view through a sapphire case-back. The movement demonstrates twin barrels, ensuring a 72-hour power reserve.
An open date wheel, located at the dial top, displays the day of the month. Two chronograph sub-dials are placed below: the first is intended for chronograph seconds and the second one is meant for chronograph minutes. The central hands serve to indicate hours and minutes.
The chronograph function is governed by an iconic column-wheel with a vertical, almost wear-free disc clutch. Thus, the chronograph function can be always turned on.
The hallmark of this model is presented in its unique pusher, placed at 8 o’clock, which is used to start, stop and reset the chronograph.
Pressing the pusher for the first time starts the second disc, the second press stops the time measure: the data can be read afterwards from the second disc and the 30-minute sub-dial. Pressing the pusher for the third time resets the two discs to zero.
The Montblanc Star Nicolas Rieussec Monopusher Chronograph watch has been issued in limited series.
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