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1. Imei Check
2. St Dupont Lighter Serial Number Checker

FAQ

1. Oct 30, 2012 St dupont lighter serial number 50? DuPont lighter serial number 50 is located on the bottom. Each letter and number is printed separately so that each one differs.
2. The eBay and check them out AUTHENTIC DUPONT: has Serial number marked at a different time as the markings in (b). You can see the font used is different, the spacing between letters of the serial is about the size of 2 serial letters putting together. The depth of the engraved (again not stamped) serial is DIFFERENT than that of the marking in.

This specific lighter takes the Red colored Dupont refill gas. If after referencing the serial number you are still unsure(as some lighters will have near perfect stampings of the serial numbers at some points) you can reference the filler cap to confirm if it is a genuine lighter. Sep 11, 2019 The serial number appears on the bottom of the lighter, so if an ad selling the lighter doesn't show the bottom, the lighter in question is probably a fake. If you contact ST Dupont and give them the serial number on the bottom, they can tell you without question if it is real or not.

Below you will find answers to frequently asked questions.

If you have any questions about repairing the product, please see our After-Sales section.

S.T.Dupont products

Imei Check

St Dupont Lighter Serial Number Checker

1. How are S.T.Dupont products manufactured?

   S.T.Dupont’s collections are made in France and the main production site is in Faverges, Haute-Savoie. A desire for perfection and a culture of quality and care are the foundations of the work done by each employee, craftsman and technician in our workshops.

   Since the beginning, the silversmith’s trade has played a key role in the creation of S.T.Dupont’s objects. Indeed, back then, the many precious travel case accessories were decorated with ornamental silverwork.

   The silversmith uses precious or rare metals, such as gold, silver, palladium and platinum. The silversmith’s work consists of three operations: creation of ornamental decoration, polishing and plating. The ornamental designs are painstakingly sculpted from solid brass for guaranteed longevity. Bolstered by its expertise, S.T.Dupont uses designs that are technically audacious: large, polished surfaces on which the slightest defect would stand out or ornamental designs that require the utmost precision. This technical prowess results in many unique, original and fashionable designs: hundreds of designs have already been created.

   Lighters need 500 to 600 basic operations and around 70 parts, and the manufacturing cycle usually takes 4 to 5 months. Each object is unique, as the worker who assembled the lighter engraves his initials under the wheel. These initials discretely reflect the pride taken when manufacturing the object.

   It takes 140 to 150 basic operations and 10 to 20 parts (without refills) to manufacture a pen. The manufacturing cycle generally lasts 2 to 3 months.

   The company has built its success on leather work, its original trade. Today, S.T.Dupont sells 5 ranges of very high quality leather goods, ranging from high end to very high end. In order to ensure the best possible quality, S.T.Dupont selects the best European hides. These hides are worked on with great care to combine beauty and strength.

   S.T.Dupont works with leading manufacturers from France, Italy and Spain, recognised for their leather expertise. The quality of the accessories is impeccable: gold, palladium or ruthenium finishes that remind you of S.T.Dupont's expertise as a silversmith.

2. How do I use, maintain or refill S.T.Dupont products?

   Please consult the instructions section to download the user manuals and discover how to refill an S.T.Dupont lighter or pen.

3. What are the terms of the warranty on S.T.Dupont products?

   To find out what warranty you get with an S.T.DUPONT product, go to the After-Sales - warranty section.

4. How can I check that a product is authentic?

   S.T.Dupont is firmly committed to combating forgery.

   To help win this war on forgery, we recommend that you buy our products and refills exclusively from approved retailers and online shopping sites.

   Authentic products are sold in their original packaging and must be accompanied by an International Warranty Certificate.

   Consult the list of retailers

5. What lacquer does S.T.Dupont use?

   Natural lacquer is of plant origin. It is the sap of Rhus Vernicifera, a tree that can grow up to 10 metres high and 40 centimetres in diameter. The lacquer is extracted by incision then collection over 5 months in bamboo baskets. The sap goes slightly brown on contact with the air and takes on the consistency of latex.

6. How can genuine S.T.Dupont lacquer be identified?

   The leaf of the lacquer tree is drawn on S.T.Dupont lighters and pens in lacquer. It helps to identify authentic natural lacquer.

7. Can I get my S.T.DUPONT product valued?

   We are unable to value your S.T.DUPONT product because of the various factors to be taken into account, in particular its condition and demand for your product. However, we can give you the replacement value, which does not take into account any increase in value of your S.T.Dupont product. We recommend speaking to an expert, such as an auctioneer, who will be able to give you a more accurate estimate for your product.

Buying S.T.Dupont products

1. Where can I buy S.T.Dupont products?

   Please consult the list of retailers

2. Can I order an S.T.Dupont product online?

   The e-commerce service is temporarily unavailable on the st-dupont.com website. Please consult the list of our retailers.

3. I want to order something from your “limited edition”/”haute création” collections. What do I need to do?

   Please visit one of our stores or talk to one of our retailers. Consult the list of retailers.

Your personal data

1. What do you do with my personal information?

   The information you provide to us is only used within the context of our commercial relations. In accordance with the French Data Protection Act of 6 January 1978, you have a right to access and correct your personal data by contacting our Customer Service team.

2. How do I unsubscribe from the newsletter?

   You can unsubscribe from the newsletter by clicking on the unsubscribe link at the bottom of the newsletters you receive. It may take up to 48 hours for you to be unsubscribed.

3. How can I delete cookies?

   Please refer to the personal data section to find out how to delete cookies.

I've not found other guides out there about this online, but I do know that there's ways to date a dupont lighter. The real question is what time frame each of these elements indicates. The first thing is that older duponts tend to say 'de Paris' rather than just 'Paris'. They also tend to have shorter 6-digit serial numbers rather than the 7-digit ones found on newer models. Older lighters will almost always have the older large square dupont emblem with 'ST Dupont' spelled out at the bottom and the circle with wings above it.
Older Ligne 1 lighters made before 1984 have an automatic gas shutoff when you open the flint chamber. This is supposedly not the case on lighters made after 1984, but I'd like some more confirmation on this. I've personally handled 4 ligne 1 lighters and all of them had the automatic shutoff, although it was somewhat busted on one of them, only shutting off if you hold down the flint chamber release button, likely just from wear / age, but that lighter otherwise functions fine so it wasn't worth it to repair it.