SKU: 90140150514

Jaeger DuoPlan Tank Back Winder 18k Yellow Gold from 1940s

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Description

Jaeger DuoPlan Tank Back Winder 18k Yellow Gold from 1940sJaeger LeCoultre DuoPlan Tank 18K Yellow GoldCirca 1930s1940s A remarkable and highly distinctive creation from Jaeger LeCoultres early technical golden age, this Jaeger DuoPlan Tank is a fascinating blend of innovative movement architecture and refined Art Deco design. Crafted in 18K yellow gold and produced during the late 1930s to 1940s, this watch stands out not only for its elegant Tank style case, but also for its exceptionally rare and

Jaeger-LeCoultre DuoPlan “Tank” – 18K Yellow Gold
Circa 1930s–1940s

A remarkable and highly distinctive creation from Jaeger-LeCoultre’s early technical golden age, this Jaeger DuoPlan Tank is a fascinating blend of innovative movement architecture and refined Art Deco design. Crafted in 18K yellow gold and produced during the late 1930s to 1940s, this watch stands out not only for its elegant Tank-style case, but also for its exceptionally rare and ingenious DuoPlan movement.

Large, architectural, and technically daring for its time, this is a true connoisseur’s vintage Jaeger.

The Case – Art Deco Proportions, Unusually Large for the Era

The 18K yellow gold case measures 22 × 35 mm, making it notably large for a watch of this period—particularly for the 1930s and 1940s, when most rectangular watches were significantly smaller. The elongated Tank-style silhouette gives the watch strong wrist presence while remaining elegant and balanced.

The case is fitted with its original gold crown, a highly desirable detail that reinforces the watch’s originality. The overall design is pure Art Deco, with clean lines and refined proportions that reflect the aesthetic sensibilities of the era.

A mineral glass crystal protects the dial, remaining faithful to the watch’s vintage character.

The Dial – Classic Elegance

The watch features a white dial, most likely restored at some point in its life—mentioned with full transparency. The restoration has been executed in a tasteful and period-correct manner, preserving the watch’s vintage charm and legibility.

Complementing the dial are beautiful blue steel hands, adding contrast and a touch of color that enhances the overall elegance of the piece.

The Movement – The Legendary DuoPlan

At the heart of this watch is the famed Jaeger-LeCoultre DuoPlan movement, one of the most interesting and technically inventive calibres of its time. Wound from the back, the DuoPlan features a two-level construction, stacking components vertically rather than spreading them horizontally.

This ingenious architecture allowed Jaeger-LeCoultre to create slim yet mechanically robust movements, and it is precisely this dual-layer design that gives the movement its name: DuoPlan, meaning “two levels.”

Highly complex and far less common than traditional calibres, DuoPlan movements are increasingly rare today and highly sought after by collectors who appreciate early horological innovation.

Strap – Handcrafted Refinement

The watch is fitted with a handmade leather strap from Belgium, offering comfort and a refined finishing touch that complements the watch’s vintage aesthetic.

Key Details

  • Model: Jaeger-LeCoultre DuoPlan Tank

  • Era: Circa 1930s–1940s

  • Case Material: 18K Yellow Gold

  • Case Size: 22 × 35 mm

  • Dial: White (likely restored)

  • Hands: Blue Steel

  • Crystal: Mineral Glass

  • Crown: Original Gold Crown

  • Movement: Jaeger-LeCoultre DuoPlan, Manual Wind (Back Winder)

  • Strap: Handmade Leather Strap (Belgium)

  • Condition: Excellent vintage presence, honest and well preserved

Why This Watch?

This Jaeger DuoPlan Tank is special on multiple levels: a rare and technically fascinating movement, an unusually large case for its era, and the timeless elegance of Art Deco design in solid gold.

The DuoPlan calibre alone makes this watch a standout, representing Jaeger-LeCoultre’s pioneering spirit and mechanical ingenuity during the early 20th century. Combined with its strong proportions and refined aesthetics, this is a stunning and rare vintage Jaeger, perfectly suited for collectors seeking something truly distinctive and historically significant.

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SKU: 90140150514

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Sonya the vet
Houston, US
★★★★★ 4
Overall good frother
Color: Black
Bought the Maestri and the Zulay frother to test which one is better since both had good reviews. Returned the Zulay (see Zulay review) and kept the Maestri. Been using it for a few days now and works well. Mixes chai and hot chocolate well. It has one speed that is a good speed to mix, but not so fast that it causes the drink to spill over the top as long as the cup is filled to about 80% full. Because I tend to use the tall 20 oz Contigo autoseal cups, it could benefit from offering longer attachments to reach the bottom of the cup (note: that I did not find any company that offers longer attachment arms).
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Reviewed in the United States on January 28, 2026
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SantaBGirl
Lowell, US
★★★★★ 5
LOVE this frother and the creamy results!
Color: Black
I LOVE this gadget! And I'm not a gadget person. Since I got it a few days ago, I've switched from using my Nespresso coffee maker, which uses pods and which I really like, to using Starbucks instant coffee packets (cheaper and more environmentally friendly than pods). I put a packet of the coffee and two packets of Equal in a cup, add half and half, then use this frother to mix them. Within a few seconds -- no more than 5, if that -- I have a thick mound of creamy froth. Then I had the water to finish making the coffee. Fantastic. This thing is so easy and fun to use. This is not the cheapest frother available. I wanted a rechargeable unit that has sufficient power to make nice, creamy froth. Also, I didn't want to spend $10 and have the thing break and have to replace it. Reviews suggest the cheaper ones are fine if you don't regularly use a frother. I never used one before and didn't really think I would use it very often. But I like it so much, I've been using it twice a day. Also, I first saw one in use while traveling in India. Another guest at my small hotel had one, which she used to make a latte with rather than drink the rather tepid offering at the more tea-oriented hotel. That's when I decided to get one. I'll be taking it on future trips. Some come with travel containers; this one didn't. The only learning curve was making sure the cup or pitcher for the cream is deap enough not to splash out the cream. I think I'm actually using a little less cream than I used to because the volume increases so much. I use cold cream, not heated (I used to heat it in the microwave when I was using the NesPresso.) I find I like the initial contrast with the cold cream at the top, then I stir it down into the coffee. The Starbucks coffee is excellent. I've used it for iced lattes in the past, so I knew it was good. I can hardly wait for a heat wave to make them with this frother. I did try to beater attachment in eggs when I was making an omelet. Not worth the trouble -- first, the bowl I was using to beat the eggs was too shallow and egg got all over. Second, a fork works just as well. If I were whipping cream, I would definitely use it.
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Reviewed in the United States on March 7, 2026
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Amanda Gilmore
Grantham, US
★★★★★ 5
Best frother ever
Color: White
This brother is wickedly powerful you don't need to use it for very long to get phenomenal frothing results Incorporates ingredients quickly
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Reviewed in the United States on April 16, 2026
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GoGreen
Los Angeles, US
★★★★★ 5
Works great and so much fun!
Color: Black
How did I live without this for so long? I love this little gadget! It gets used multiple times a day. It's not only great for frothing milk but it will whip eggs for a recipe and stir other ingredients as well. People who have complained that the stirring attachment was missing a piece did not read the description. The picture clearly shows there is no "boot" on that attachment, you don't want that one to spin like the frother. The Frother holds a charge for quite a while as well. I use mine multiple times a day and it is still holding a charge after weeks of daily use. Great item!
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Reviewed in the United States on February 15, 2026
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Nick
Battle Creek, US
★★★★★ 3
Disappointed
Color: White, Color: White
Powerful, but the description differs from the actual specifications, and the speed cannot be adjusted.
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Reviewed in the United States on March 15, 2026

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