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Some thoughts on the Jaeger Lecoultre Duomètre à Quantième Lunaire, White Gold / Black Dial.

amanico
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It has been a very long time since I saw this Duomètre in the metal, several years, for sure. 

I must confess that it is not my favorite version, as the one which stole my heart is the 40, 5 mm white gold version / Enamel, which I find supremely exquisite, not to say precious. 

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Though the white gold / black dial has a lot of charm and appeal, and we'll see that in the details. 

First of all, I also have to say that the QL is my third favorite Duomètre. My champion is the Chronograph, because it is the first one, the one which inaugurated the concept of the " Dual Wind ", the two barrels and their own gear trains feeding the time and another complication. The Duometre was made for the Chronograph, at least this is what I think.

Here, the chronograph and the QL movements, side by side: 

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My second favorite is the Unique Travel Time, for its superb and friendly complication, expressed in a sophisticated way. 

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The QL is the most intellectual of these three. Why? Because, as I said many times, it is wrongly named, in my opinion. Indeed, one barrel feeds the time, the moon phase and the date, while, which is a big difference from the two others, the second barrel is dedicated to the balance wheel, offering a constant amplitude to the movement. It should have been called Duomètre à Chronometer, then, which is very fine for me.

Moreover, the moon phase is here for aesthetics, more than for the complication in itself, as it is accurate to one day every two years and a half, when a Duometre à Spherotourbillon Moon is accurate to one day each 3800 years! 

The QL is an intellectual watch, which doesn't mean it is not bewitching. I find the choice of a black dial adds an indisputable " cool factor " to this watch, bringing, also, a nice contrast with the very nice moon phase, while the enamel plays the card of an extreme elegance. 

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And, as with every QL, you have these 2 second hands, the " diablotine " which gives one sixth of a second indication and a central second, both being resettable to zero through the crown, which is one of the big specificities of this watch. 

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As for the movement, it is always a pleasure to spend some time admiring it. Made of german silver, nicely decorated and not badly finished, this is the kind of opus we would more often see. 

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Now, the other reason why the white gold enamel is my favorite is that the white gold black dial is too close to my beloved chronograph. I would have the feeling I have " two of the same " even though some would rightly say that in a thematic way, owning the black pair is tempting. 

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Looking forward to reading your comments and thoughts,

Best.

Nicolas

Comments:
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Jurry June 8th, 2021-06:30
Agree on many not all points I agree with for 95%: * the moon phase complication is one that, regardless of how beautiful it is, actually defeats the purpose of the duometre concept (or at least his I understand that concept) * in general terms I like a moon phase in many watches, it... 
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amanico June 8th, 2021-11:12
I agree on the moonphase. Even if we'll nor be here to witness the fact that it is accurate to only one day in 3800 years...But here, the fact that one barrel and its gear train is dedicated to the escapement pleases me a lot! 
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Jurry June 12th, 2021-19:20
True you correct as ever.  Perhaps it’s more sentiment then anything else. But I just like the WG Chrono black face
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amanico June 12th, 2021-21:22
That I totally understand and share your preference. 
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keks June 8th, 2021-06:53
Amazing pieces all of these My personal preference goes to the chrono and the white enamel... hard to decide on what order as both offer character that each is quite attractive... one sportier and one supremely elegant... one of each would be ideal
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amanico June 8th, 2021-11:12
Both is the answer, I fear. ;) 
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holdemchamp1225 June 8th, 2021-14:41
LOL, YES both. Come to the dark side with me frérot 🤣🤣 
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amanico June 8th, 2021-14:42
Hehehe! 
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holdemchamp1225 June 8th, 2021-18:25
😉👍🙏 
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Humanist June 8th, 2021-09:49
Thank you for the excellent explanation and your personal thoughts on these 
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Inspired by the Harmony watches of fellow Vachonistas and the piece unique American 1921 recently introduced, I've reached into the vault for this feature on shaped watches. But first, an explanation of model numbers. Image credit Vacheron Constantin unless otherwise noted. By The Numbers Vacheron & Constantin employed three formats over the years to identify timepieces: photo reference numbers, catalog numbers, and model reference numbers.


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