Jaeger-LeCoultre Grande Reverso Calendar Caliber 843
Review

Jaeger-LeCoultre Grande Reverso Calendar Caliber 843

By amanico · Feb 1, 2012 · 66 replies
amanico
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amanico's detailed post from SIHH 2012 introduces the Jaeger-LeCoultre Grande Reverso Calendar, a timepiece that aimed to fill a historical gap in the Reverso line. His analysis delves into its aesthetic and technical merits, comparing it to historical JLC calendar watches. This article remains relevant for understanding the evolution of JLC's iconic Reverso and its calendar complications.


This is one of the real new watch we have the pleasure to discover, this year.

New?

That is the point we have to discuss, to well get its interest.

It really seems that the Reverso Calendar fills a gap.

In 1938, Jaeger-Lecoultre conceived a perpetual calendar movement for a Reverso, the Cal 410. But to know if it was ever cased in a Reverso is another question.

Some speculated that it existed as a Prototype, I asked the Heritage Gallery, who didn't find any evidence of that. But they are still searching.

In 1949, in hommage to Jacques-David Lecoultre, who died one year before, we had the reference 2726, a very nice Triple Date Moonphase ( Credit pcitures: Zaf Basha )





Then, we saw the arrival of the Reverso Date born in the late Nineties, with a Day Night indicator ( Cal 835 ), or without the Day Night indicator ( Cal 836 ), which is a Day Date, without any indication of the Month.

Here is Dje's magnificient specimen:



Without forgetting of course, the famous Reverso Perpetual Calendar, born in 2000, in a limited edition, of 500 pieces, in rose gold:



So, as you can see, the closer in the aesthetics was the Jacques - David LeCoultre, with its triple date ( Day and Month windows ) moonphase, but it was not a Reverso, and when it was a Reverso, it was a Day Date, or a Perpetual Calendar, but no complete calendar.

Yes, this Reverso has to be seen as a new watch, which therefore, houses a new movement, the Cal 843, a manual winding movement, reasonnably high ( 4, 29 mm ) offering a power reserve of 45 hours, and beating at the quiet pace of 21600 vibrations per hour, which you can see trough the case back:



A regret, though: The movement looks a bit too small for the case... I wonder if a soled case back wouldn't have been better...

Not only new, but a classic beauty, here!

Let's see it now, or should I say on them, as the Reverso Calendar is available in stainless steel and in rose gold, in the details.

To avoid any confusion, this is a complete calendar, not an annual calendar.

The case is borrowed to the Reverso 976, which means that the dimensions are 48, 5 mm long, 29,5 mm large and 10, 24 mm high, which represents some nice proportions, and good balance, to this not too thick watch.

The stainless steel and the rose gold case share the same dial: Silver, vertical satin brushed the interior being guilloché, with painted black numbers, and blue hands.

One small regret, here, about the day and the month, which are written in black... A light blue would have been a killing choice, in my opinion.

Aaah, you want to see pictures of the watches, now?

smile

Here you are!

1/ Stainless Steel:









2/ Rose Gold:









A wristshot, now, for the good measure, to show how nicely it " falls " on the wrist



Stainless Steel or Rose Gold?

It will all depends on everyone's taste.

If you prefer the cold understated and modern look of the complete calendar, the stainless steel is for you.

Now, if you're falling for the Vintage look, much warmer, the rose gold is the one to go for.

In any case, you will get a new classic beauty, very elegant, and refined.

Isn't that some excellent news?

One of my favourite from the new collection.

Looking forward to reading your comments and thought,

Best.

Nicolas This message has been edited by amanico on 2012-02-01 23:30:57 This message has been edited by amanico on 2012-02-05 04:28:41

About the Antoine Preziuso Concept Ref. 2000

The Patek Philippe World Time reference 2523, launched in 1953, is distinguished by its innovative two-crown system. One crown serves for winding the watch, while the second, positioned at 9 o’clock, controls the city disc. This design marked a significant development in the functionality and user experience of world time complications for the brand.

The reference 2523 was offered in two primary versions. The initial ref. 2523 featured larger lugs that extended above the bezel, with a case diameter of 35.5 mm. A subsequent variant, ref. 2523/1, presented a slightly larger diameter of 36 mm and thinner lugs that were integrated without extending above the bezel. Both versions were powered by the caliber 12-400 HU, which incorporated the world time module developed by Louis Cottier.

This reference appeals to collectors interested in Patek Philippe's historical advancements in complicated watchmaking, particularly the evolution of its World Time series. The distinct design differences between the 2523 and 2523/1, especially regarding lug integration and case dimensions, provide specific points of interest for enthusiasts tracking the model's development and variations.

Specifications

Caliber
12-400 HU
Case
White Gold
Diameter
35.5mm
Dial
Silver
Water Resist.
30m
Crystal
Sapphire

Key Points from the Discussion

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The Discussion
MO
moc
Feb 1, 2012

I like it a lot....maybe movement is too small?YES but fantastic visual solution to frame it with the same cote de Geneve around it and a very nice art Deco inspired guillochet on the outside,so see through case back,why not? Thank you Nico for the beautiful pictures. Mo

KP
kpk
Feb 2, 2012

...for both the SS and RG versions?

AM
amanico
Feb 2, 2012

Count around 5 moreK Euros in Rose Gold. Best, Nicolas

AM
amanico
Feb 2, 2012

I ma not disturbed by he see through case back, but I am not completely crazy about sapphire case backs in general, I have to say, uness there is something really exceptional, or, at least, very nice to see. But, as it is, I am sure it won't be an issue for those who love the watch. Best, Mo. Nicolas

RU
Ruckdee
Feb 2, 2012

...this watch is a winner! It fills the gap as you suggested. A gap which should never have been there in the first place. Because when you think about it, the Master Control line has always had the Master Moon, the Master Perpetual and later the Master Calendar. But this complete calendar was not to be found in the Reverso line for reasons unknown. I agree with your assessment of the smaller movement relative to the case. Do you have more information about the Caliber 843? I wonder if the base

WI
Wizir
Feb 2, 2012

And thank you for these very nice pics. I like this watch a lot: especially the totally symmetrical dial. I would need to try it on my wrist as I found so far that the GT size was for the best size for my not too big wrist … but as you said; it’s reasonable thickness and very nice proportions could make me change my mind about size. Most of the times I prefer RG versions but here thanks to its perfect and symmetrical dial; I tend to prefer the understated SS version. Thank you again for the revi

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