CHRONO MODERN STEEL SMARAGD GREEN
MDM.330.ST.45.SGN
mechanical-automatic Swiss
Valjoux movement (ETA 7750)
stainless steel case 316L
screw-in crown, screw-down pusher
open case back
sapphire crystal with anti-reflective treatment on both sides
Water resistant until 100m
Watch Variations
Customize Watch
Watch Specifications
Screw-down pushers
Screw-down pushers confer an additional mechanical aspect to our watches. In order to operate the stopwatch function, you have to first unscrew the collar and, then, close it again after stopping it. Chrono , screw-down pushers, caseback
Our display back case uses a blue anti-reflective sapphire crystal and thus allow for an unobstructed view of the pulsating calibre. One has the feeling that the soul of the mechanical automatic movement can both be felt and seen. The watch is alive. Together with the possibility of the custom labelled rotor, each watch becomes a truly personal gift – even to oneself. ETA 7750 Movement
After the takeover by ETA, the Valjoux 7750 was re-named the calibre ETA 7750. This is quite possibly the most successful automatic chronograph movement of all time. The calibre stands out due to its high degree of accuracy and robustness. It has 25 stones, a ball bearing mounted rotor and a uni-directional winding mechanism. The 7750 has a 1/8-second counter, a 30-minute counter, a 12-hour counter, 28,800 half oscillations per minute and has a power reserve of ca. 44 hours. The loss of accuracy is 1-6 seconds per day. Movement revisions are recommended every 3 to 8 years-TOP Execution
-Chronograph mechanism with cams
-2 push buttons
-Self-winding mechanism with ball bearing
-Hours, minutes, small second
-Stop second device
-Regulator system ETACHRON and regulator corrector
-28.800 vibrations per hour; 4 Hz
-Chronograph 60 seconds
30 minutes and 12 hours counters
-Date and day, corrector
-25 Jewels
Stainless Steel
Not all steels are created equal. We use 316L stainless steel; one of the hardest premium steels in the world. In addition to its hardness and resistance, this high-quality steel stands out because of its finish as well as it very fine silver hue. 316L steel has a significantly lower nickel emission than, for instance, 904L steel, which is also a high-strength steel alloy. This is, for us, a reason to favour 316L stainless steel. 1
Screw-down pushers
2
Chrono , screw-down pushers, caseback
3
ETA 7750 Movement
-TOP Execution
-Chronograph mechanism with cams
-2 push buttons
-Self-winding mechanism with ball bearing
-Hours, minutes, small second
-Stop second device
-Regulator system ETACHRON and regulator corrector
-28.800 vibrations per hour; 4 Hz
-Chronograph 60 seconds
30 minutes and 12 hours counters
-Date and day, corrector
-25 Jewels
4
Stainless Steel
Modern
Every company has the mystique of its first employee, its first premises, its first product. The Chrono Modern is the founding mystique that has become a watch. It was the first "real" Maurice de Mauriac. What was revolutionary at the time was the dial designed by Daniel Dreifuss, which we now call the 0510 dial. The numbers from 0 to 55, rather than 1 to 12, indicated the time. The minutes are more important than the hours. An expression of the agility of its wearers. Since women also love this potent statement of time on their arms.
As the cheers fade away of Wimbledon, we are already on our way to the Dialectic Zug Open 🍒🎾 from July 20 to 27, 2025. The ATP 125 event at the Zug Tennis Club. We are the official timekeeper and have developed an extraordinary watch for this tournament.
We are giving away two VIP tickets every day for the tournament. Simply contact us in any way to let us know that you are ready to go, and hope that luck is on your side. 🍀🤞🏼
#MauriceDeMauriac #MDM #ZugOpen #DialecticZugOpen #tennis #tournament #challenger #atp #atp125
TIME to honor our mom! 🌵
Happy retirement to the most amazing, most generous, and hardest working woman we know! Thank you for your love, thank you for supporting us in every situation and for always cheering us on. You are the most creative person with the purest heart.
MDM would not have been the same without you!
We love you deeply.
Now it’s YOUR TIME 🌸🍀🥳🥰🫶🏽✨👊🏼👩🏻🎨🧚🏼♀️💃🏻🏄🏻♀️🎨🪗✈️🏖️🏜️🌋🏔️⛩️🌠
Thank you @memorie_moebel for this amazing @gufram Cactus ❤️ a dream piece our mom had on her wishlist for years! 🌵
Wimbledon Final: Who is gonna win?🎾🏆
👇🏻
#MauriceDeMauriac #MDM #Wimbledon #RallymasterIII #racquet
15:LOVE 🩷🎾 The last 15x Rallymaster III are on the line - it‘s now or never!
📸 @which_watch_next
#MauriceDeMauriac #MDM #RallymasterIII #last10 #limitededtion #oneofhundred
When you watch 👀 vs. when you got watched! 🙌🏻
Always double wristed in Wimbledon.
📸 @photobysventhomann
#MauriceDeMauriac #MDM #RallymasterIII #Wimbledon
Meet @jilteich our newest Ambassatrice. Who will start today in Wimbledon 💚🎾💜 Good Luck Jil and welcome in the MDM Family!
She is wearing the Rallymaster III designt by @carltondewoody in collaboration with @racquetmag , only a few left - so better be fast than sorry.
📸 @photobysventhomann
#MauriceDeMauriac #MDM #JilTeichmann #Rallymaster #tennis #swisstennis
Only a few people can drive the Mille Miglia. ❤️🏁
We have the Mille Miglia feeling for you.
The most beautiful race in the world is currently running, the race that wrote legends and still moves people’s hearts today. It’s not just any race - it’s the Mille Miglia, the legendary road race that transformed Italy into a stage for heroes from 1927 to 1957. The Mille Miglia was always more than just a race. It was an epic battle against nature, time and the limits of human ability.
For hours on end, the drivers drove 1,000 miles through the picturesque but challenging Italian countryside - from Brescia to Rome and back. The route led through fog, gravel roads and city junctions where only courage, skill and madness made the difference. Legends were born along the way: Nuvolari, who overtook Brivio in the dark with skill and courage, barely visible to the cameras. Or the British racing driver Moss, who averaged 157 km/h - with paper maps wrapped in a roll around his arm.
The Mille Miglia was always more than just a race; it embodied speed, style and an unbridled passion for competition. Drivers risked everything to achieve glory.
All this is in our L3 SPHERIC RED. It lets you ride the Mille Miglia all day long, when the (racing) drivers are already back at home or in the office.
#MauriceDeMauriac #MDM #millemiglia #L3 #L3SphericRed
Only a few people can drive the Mille Miglia. ❤️🏁
We have the Mille Miglia feeling for you.
The most beautiful race in the world is currently running, the race that wrote legends and still moves people’s hearts today. It’s not just any race - it’s the Mille Miglia, the legendary road race that transformed Italy into a stage for heroes from 1927 to 1957. The Mille Miglia was always more than just a race. It was an epic battle against nature, time and the limits of human ability.
For hours on end, the drivers drove 1,000 miles through the picturesque but challenging Italian countryside - from Brescia to Rome and back. The route led through fog, gravel roads and city junctions where only courage, skill and madness made the difference. Legends were born along the way: Nuvolari, who overtook Brivio in the dark with skill and courage, barely visible to the cameras. Or the British racing driver Moss, who averaged 157 km/h - with paper maps wrapped in a roll around his arm.
The Mille Miglia was always more than just a race; it embodied speed, style and an unbridled passion for competition. Drivers risked everything to achieve glory.
All this is in our L3 SPHERIC RED. It lets you ride the Mille Miglia all day long, when the (racing) drivers are already back at home or in the office.
#MauriceDeMauriac #MDM #millemiglia #L3 #L3SphericRed
Events
ZUG OPEN 2025
20 .07 – 27 .07
Location: Tennisclub Zug
Where people meet to live their passion, there we are too. Let’s have a good time together.
St. Moritz POP-UP
21 .07 – 17 .08
Location: Lensunja Fine Jewellery
High above, where luxury meets serenity: in St. Moritz, you will find our pop-up store at Lensunja Fine Jewellery – and the feeling that time can be more than just time.
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