Louis Moinet’s Memoris Diamonds combines mechanical artistry with precious gem-setting in two highly limited editions.
Louis Moinet has built a reputation for creating some of the most visually theatrical dials in the modern watch market, and the Memoris collection is perhaps one of the clearest examples of this philosophy. Louis Moinet has always been one of those brands that approaches its designs with bold interpretations. Rather than going down the traditional watchmaking route or even creating understated pieces, the brand leans into the spectacle, architecture, and visual drama.
The Memories is not just another chronograph. One of the biggest points of difference that sets it apart is that the chronograph mechanism is displayed on the dial side, allowing the wearer to see the levers, clutch, hammers, column wheel, springs, and wheels all coming to life. This is why I find this model so appealing as well, as not only does it lean into dial skeletonization, but we actually get to see a clear picture of the chronograph mechanism in operation.
Now, Louis Moinet is updating the Memoris with a precious get-set execution, elevating the theatrical chronograph into high jewelry. Louis Moinet is introducing the Memoris Diamonds in two limited editions of 12 pieces each, offered in either 18K red gold or Grade 5 titanium.
Mechanical Theatre Framed By Diamonds And Sapphires
The Memoris uses the Maison’s ORIGINAL case design, which measures 46mm wide with a thickness of 16.82mm, making this one of the larger chronographs on the market. However, this size is due to the expressive dial, as it gives the chronograph mechanism the space it needs to be appreciated properly.
As mentioned earlier, the case is available in either 18K red gold or Grade 5 titanium, which gives collectors two very different personalities to choose from. The 18k red gold version is personally my pick of the two, as it gives a warmer aesthetic, but also complements the blue tones of the dial and movement mainplate beautifully. The grade 5 titanium option, on the other hand, gives the watch a more technical and contemporary edge.
Louis Moinet has used alternating polished and satin-brushed surfaces throughout the case, which helps to highlight the complex construction of the ORIGINAL design. The stepped bezel is secured by six screws, adding to the watch’s mechanical, almost architectural character. This is also where the jewellery element becomes most obvious, with the bezel set with 60 VVS-quality brilliant-cut diamonds, bringing a luxurious edge to an otherwise highly technical design.
While the case glistens through a luxury design, the dial is where the eye-catching theatrics occur. Even though it may appear complex, the details are easy to read, with dial readability remaining unhindered regardless of the skeletonised movement.
Firstly, we get the off-centre time-dial at 6 o’clock, which has been given a white lacquer shimmering finish, and is then set with twelve blue sapphires for the hour markers (~0.8 carats). The blue of these sapphires is continued on through to the flange, mainplate, blued screws of the chronograph bridge, and then eventually the strap to help tie the design all together nicely.
While the vivid use of colour certainly does catch attention, the real highlight is the mechanical complexity that lies at the heart of the dial. This is one of the strongest details, as the layered, open-worked chronograph display showcases all the intricacies of the brand’s LM79 calibre. When the monopusher at 2 o’clock is activated, the mechanism comes to life, with the levers, clutch, hammers, column wheel, springs and wheels all moving together in what feels like a miniature mechanical performance on the wrist.
A Dial-Side Chronograph Built For Spectacle
Inside these Memoris Diamond editions sits Louis Moinet’s LM79 automatic monopusher chronograph movement, which powers the hours, minutes, small seconds, 60-second chronograph, and the 30-minute counter. While the diamonds and sapphires give this version its visual identity, the movement remains the heart of the watch. While the power reserve is on the modest side, with only 48 hours of autonomy, it does have a 4Hz beat rate, allowing accurate timekeeping.
The central appeal of this monopusher is, of course, its theatrical appeal on the dial side. When the single pusher is activated, the levers, clutch, hammers, column wheel, springs, and wheels move together, creating what Louis Moinet describes as a mechanical choreography. Being able to see the intricate mechanics come to life as the chronograph is engaged gives the Memoris Diamonds a level of visual drama that very few traditional chronographs can match.
Initial Thoughts
The appeal of the Memoris has always been its mechanical theatre, and with the addition of diamonds and sapphires, that theatre is given a far more luxurious stage. What I like about this, though, is that the gem-setting does not detract from the real highlight of the timepiece: the open-worked chronograph display. Instead, the diamonds and sapphires help to frame the mechanical architecture, adding brilliance and colour to the beauty of the complexity at the heart of it all.
The choice between the 18k red gold and Grade 5 titanium materials adds a touch of variety within the collection, with the red gold version leaning more into warmth and luxury, while the titanium version feels a bit more technical and modern, especially with the blue accents running through the dial and strap.
These new Memoris Diamonds editions, for me, showcase exactly what Louis Moinet does best: taking a traditional complication and presenting it in the most visually engaging way possible, through stunning mechanical theatre, and now, a more luxurious touch of diamonds and sapphires.
Louis Moinet Memoris Diamonds
Reference & Specifications
| Feature | Specification |
|---|---|
| Reference | LM-79.5D.80 (18K Red Gold) & LM-79.2D.80 (Grade 5 Titanium) |
| Dimensions | 46mm x 16.82mm thick |
| Case | 18K Red Gold or Grade 5 titanium with the bezel set with 60 VVS-quality brilliant-cut diamonds |
| Dial | Skeletonised dial with off-centre time, white lacquered, shimmering finished dial with blue sapphires (~0.8 cts) |
| Crystal | Sapphire with anti-reflective coating |
| Caseback | Open, sapphire |
| Movement | LM79 automatic monopusher chronograph |
| Power Reserve | 4Hz (28,800 VpH) |
| Beat Rate | 48 hours |
| Water Resistance | 50m / 5bar |
| Strap/Bracelet | Louisiana alligator strap with triple folding clasp. |