Cartier Duoplan Platinum 1930s Ladies Watch

The important micro JLC movement…

In a world where interesting Cartier pieces are some of the hottest pieces on the market, we have a truly rare and important example of an early Cartier France watch! This small cocktail watch houses one of the most important horological movements of the 20th century, the Jaeger Le-Coultre calibre 101 Duoplan. Built on two levels to enable it to be kept tiny, the complete movement is the same size as a sharpened point on a pencil !!

The movement contains 98 parts and measures just 14x4.8x3.4mm and was so difficult to make that only 50 were produced each year- And it weighs less than 1 gram! The lightweight movement is more than made up for by the heavyweight of the platinum Cartier Paris case, which features the winding crown on the back – these watches are known as backwinders. The watch has a white dial signed CARTIER France and features super cool tiny blued steel hands.
The watch is fitted with its original leather strap and also the original deployment, which interestingly is made out of red gold. The original rare Cartier box is also included which makes this special watch even more of a collector item.
Queen Elizabeth wore a similar watch for her coronation in 1953, the Jaeger-LeCoultre Calibre 101. This watch has the world’s smallest movement and it was housed in an elegant diamond bracelet.

We understand that this watch was recently serviced by the owner and our watchmaker has fully checked and regulated the movement.


- Cartier Duoplan
- Platinum case 18 x 6.7mm
- White dial signed ‘France’
- Blue steeled hands
- Calibre 101 JLC Duoplan Movement
- Original 18kt red gold Cartier deployment
- Original rare Cartier box
- Fully checked by our watchmaker
- One-year mechanical warranty
- Includes a handmade leather watch pouch
- Free worldwide Fedex Priority shipping

This watch has been certified at Certifiwatch under registration number CF-0103589

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We are passionate about vintage watches and we love talking about them! That is why we don't sell our watches with a simple "Add to cart" button, but instead try to emulate a truly boutique experience online. Helping you find your perfect vintage watch is our Watch Department’s raison d’etre. Whatever you would like to ask, please do. Building our community of watch lovers is central to our mission at Bulang and Sons.

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At Bulang and Sons we have sold thousands of watches over the years. We are a small team of experienced collectors and connoisseurs who are all part of an extensive global network of buyers and sellers. We have a great reputation for offering only the highest quality watches. We have one simply rule: we only buy and sell watches we want to own ourselves. And yes, we are still collectors too.

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As collectors, we know how intense the search for a specific vintage watch can be. Once you find it at Bulang and Sons, we want to make things easy, safe and fast for you. Therefore, we offer the most comprehensive return policy and warranty; you will not find a safer place on the internet to buy a vintage watch. You can relax and enjoy your deal with Bulang and Sons.

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