Only Watch comes around once every two years in aid of Duchenne Muscular Dystrophy. This year the auction is set to take place on November 9th at Christie’s Geneva.

Up for auction are 52 novelties, each one of them a one-off, from some of the world’s finest watchmakers. This year’s Only Watch auction is on course to beat 2017’s record-breaking haul of over $12 million dollars.

For the second time, German brand Moritz Grossmann is supporting Only Watch and the manufactory has once again created a unique piece of schönstes deutsches Handwerk: the Réserve De Marche Classique is reminiscent of a historical pocket watch by the Glashütte watch pioneer Moritz Grossmann.

The manufactory has translated his design from the Wilhelminian era into a contemporary piece: the result is an ultra-fine unique watch that combines a classic design language with a power-reserve indicator function made to the highest standards of craftsmanship.

Moritz Grossmann Réserve De Marche Classique


The slender casing in 750/000 white gold and a coordinating rhodié dial with fine three-band snailing gives the Réserve De Marche Classique a bold contemporary look.

The black Roman numerals and the Moritz Grossmann logo in typography dating from 1875 provide an effective historical counterpoint. The pear-shaped characteristic hands are based on the model of the Grossmann pocket watch and have been annealed (a process of heating metal) in blue by hand.

The power reserve is designed as a two-color bar-shaped indicator element and is controlled by a differential gear. Due to the special bearing below the ratchet wheel, it runs without impairing the movement, winding mechanism or hour wheel.

In keeping with the design of the dial, the display bar is slightly narrower and placed directly under the logo lettering. When the movement is fully wound, a completely white bar is displayed and when the power reserve decreases, an increasingly blue bar is displayed.

The sapphire crystal back on the rear of the watch reveals the fine mechanical elements. Moritz Grossmann Founder and Managing Director Christine Hutter has personally signed the Réserve De Marche Classique. Her signature is embedded in the glass bottom in the form of a gold thread. Finally, the watch comes on a strap made from brown alligator leather.

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