MDM.330.GRC.45
The Grand Cœur is alive
With this watch, you get life, not only time
The WatchBros have brought the Grand Cœur to life. In her beats a blood-red heart. The Grand Cœur lives from the genes of Maurice de Mauriac’s founder and the creative power of his sons’ youth.
The Grand Cœur has an exceptional Manufacture movement, has been designed with transparency, and a unique red Sapphire Case back.
Those who hold the watch in their hands feel the mastery, become in awe, and feel that the watch is not representing the time, but the young, pulsating life.
Only 48 Grand Cœur will be available. The number stands for the place where each Grand Cœur comes to life – Tödistraße 48 in Zurich. 48 beating hearts that beat for the wearers of the watch. A watch and life can hardly be more intense.
Customize Watch
Watch Specifications
1
Grand Cœur 3038
2
Grand Cœur – Impulsive Red
3
Grand Cœur Pushers
4
Grand Cœur watchbox
5
DLC coating
6
Made with love in Zurich

Skeleton
How much of the clock can you leave out in order to pay homage to the movement. Every Skeleton fan has his own tolerance limit. For us, however, Skeleton watches are not just omitted. We added the dimension of the open heart with the use of glass and color. You don't just see time passing, you see it living. These watches live with you.


Made with love in Zurich
The heart of Maurice de Mauriac beats near the Paradeplatz in the studio in Tödistrasse. Maurice de Mauriac always and everywhere meets you as a friendly, human, warm family business. All watches are dreamed, developed and built here with love.

The perfect summer watch doesn’t exi - The watch:💕
The „original“ Rallymaster I, in his natural environement at the ligurian coast.
#MauriceDeMauriac #MDM #Rallymaster #tennis #liguria #portofino #liguriancoast #portofino🇮🇹 #splendindo

Arrive in style & leave even with more 💅 ✨ Thank you for the pitstop. Come soon again.
#MauriceDeMauriac #MDM #ferrari #ferrari412 #style

Happy Birthday Switzerland 🇨🇭❤️
August 1st – we celebrate Swiss National Day: a day that honors the unity, freedom, and shared history of our country. It’s a moment to pause and reflect on what truly matters: time and family.
#switzerland #nationalday #swissnationalday🇨🇭 #mauricedemauriac #mdm #watches #time #happybirthday

From Zurich to St. Moritz 🇨🇭🐮Swissness turned all the way up.
Cows on the left and mountains on the right.
And yes, you’ll find us all summer at Lesunja, St. Moritz. Drop by and say hi @lesunja #summer #switzerland #watches #stmoritz #mdm #mauricedemauriac

The Dialectic Zug Open 2025 has been decided. We, who like to talk about ourselves, would simply like to congratulate the winner Lukas Klein on his victory. This is his second Challenger title in two weeks. We are very proud to have been able to accompany him on this journey.
It was Leonard who presented him with his personal Dialectic Zug Open watch.
Thank you for being part of the excitement, thank you for the great moments we had on site. We remain loyal to tennis and hope to see you again somehow.
Massimo, Leonard, Masha
and the whole Dreifuss family
📸 @breakpoint_images
#winner #family #tennis #dialecticzugopen #zugopen #dialectic #proud #love #tennis

From Wimbledon to Zug! Different tournament - same pose 🙌🏻
#MauriceDeMauriac #MDM #DialecticZugOpen #ZugOpen #Tennis #watch #tenniswatch

Dialectic Zug Open has its best time: ours!
As Official Time Keeper, you have to be convinced of this even before the tournament. Now we’re here, feeling the vibes of the tournament and we know it’s for real. The weather could have been a little kinder. But even that can’t take the smile off the faces.
Massimo, Leonard, Masha
and the whole Dreifuss family
#MauriceDeMauriac #MDM #DialecticZugOpen #ZugOpen #Tennis #watch #tenniswatch

We serve in Zug 🎾💙
As the official timekeeper of the Dialectic Zug Open 2025, we have designed a new version of our iconic Automatic Classic, a watch inspired by tennis & Zug.
The new Dialectic Zug Open is limited edition and comes in a special box with a personalized tennis ball and an additional strap: a two-piece elastic TextilFlex strap and a Milanese strap (both with quick-change system) ensure versatility on and off the court.
#MauriceDeMauriac #MDM #DialecticZugOpen #ZugOpen #Tennis #watch #tenniswatch


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