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Cartier CT0420O-006 56 men's rectangular optical frame in tortoise recycled acetate with gold-tone Godron and C de Cartier hinge

The Cartier CT0420O-006 in tortoise recycled acetate: a bold, masculine Première de Cartier frame with gold-tone hinge details.

Quick answer: The Cartier CT0420O-006 56 is an authentic Cartier men's optical frame from the Première de Cartier family. It has a bold rectangular shape in tortoise (havana) recycled acetate, a gold-tone hinge that combines the Godron motif with the C de Cartier, and a Double C logo plaque on the temple tips. It measures 56-18-145 mm, accepts prescription lenses and is available at Lexor Miami, an authorized Cartier dealer, for $1,095 with free U.S. shipping and free returns.

  • Price: $1,095 (Cartier's U.S. retail price)
  • Size: 56 mm lens · 18 mm bridge · 145 mm temple
  • Color code 006: Tortoise / havana with gold-tone details
  • Collection: Première de Cartier
  • Availability: In stock and ready to ship from Miami · limited stock

Shop the Cartier CT0420O-006 – $1,095

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Introduction: The Cartier Frame for Men Who Mean Business

There is a particular kind of man who wears glasses well. He does not hide behind them and he does not let them wear him. He chooses a frame with enough presence to say something about who he is, then lets the details do the rest of the talking. The Cartier CT0420O-006 56 is built for exactly that man.

At first glance, it is a confident rectangular frame in rich tortoise acetate, the kind of classic shape you would expect on an architect, an attorney or a creative director. Look closer and the Cartier character appears: a gold-tone hinge that blends the fluted Godron motif with the C de Cartier, and a Double C plaque on the temple tips inspired by the Maison's vintage eyewear. It is masculine, polished and unmistakably luxurious, without a single oversized logo on the front.

In this guide we cover everything a U.S. buyer should know before purchasing: the Première de Cartier heritage behind the frame, its verified measurements, the recycled acetate it is made from, which faces it suits, how it compares with other Cartier men's optical frames at Lexor Miami and why buying from an authorized dealer matters. If you already know this is your frame, order the Cartier CT0420O-006 here. Otherwise, keep reading.

The Cartier Story: Heritage Worn on the Face

1847: A Paris jeweler becomes a legend

Louis-François Cartier opened his jewelry workshop in Paris in 1847. His grandsons Louis, Pierre and Jacques built it into an international house in Paris, London and New York, dressing royalty, industrialists and Hollywood stars. The line often attributed to King Edward VII, "the jeweler of kings and the king of jewelers," sums up the reputation that followed.

Designing for men since the beginning

Cartier has always understood men's style. The Santos watch, designed in 1904 for the aviator Alberto Santos-Dumont, helped make the wristwatch acceptable for men. The Tank followed in 1917 and became a favorite of statesmen, actors and businessmen for more than a century. Cartier's men's accessories, from cufflinks to lighters to pens, share the same idea: clean geometry, robust proportions and a precious detail where you least expect it.

Cartier eyewear since 1983

Cartier introduced its first eyewear collection in 1983 and has treated glasses as a true luxury accessory ever since, borrowing motifs from its watches and jewelry. Today Cartier eyewear is developed with Kering Eyewear and sold through a network of authorized opticians and retailers.

Première de Cartier: the vintage line, reimagined

Première de Cartier is a name tied to the Maison's classic eyewear styles. Cartier describes the CT0420O as a contemporary reinterpretation of the iconic Première acetate frames, with bolder volumes and smoother surfaces. In other words, it takes the look that Cartier eyewear collectors love from the past and gives it a modern, more substantial build.

Godron and C de Cartier

Two Cartier signatures meet at the hinge of the CT0420O. The Godron is a fluted, gadrooned pattern that appears on vintage Cartier pieces, and the C de Cartier is the Maison's elegant C-shaped emblem. Cartier combines them into a single gold-tone element that is both decorative and the working hinge of the frame.

Lexor Miami is an authorized Cartier eyewear dealer, offering these frames to U.S. customers with the same authenticity you would expect from a Cartier boutique.

Key Features of the Cartier CT0420O-006 56

  • Authentic Cartier men's optical frame sourced through authorized Cartier channels.
  • Première de Cartier design, a modern take on Cartier's classic acetate styles.
  • Bold rectangular shape with a subtle pantos softness at the top line.
  • Tortoise (havana) recycled acetate with natural depth and warmth.
  • Gold-tone Godron + C de Cartier hinge that is both ornament and mechanism.
  • Double C logo plaque on the temple tips, inspired by vintage Cartier eyewear.
  • Full-rim construction, ideal for most prescriptions including progressives.
  • 56-18-145 mm sizing, a medium-to-large men's fit.
  • Prescription-ready, supplied with clear demo lenses.
  • Official Cartier case and packaging.

Benefits: What the CT0420O Does for You

1. Instant authority

A substantial rectangular acetate frame adds structure to the face. It reads as serious, focused and confident, which is why this shape has been a staple for executives, lawyers, physicians and creatives for decades.

2. Tortoise works with almost everything

Tortoise is the most versatile color in men's eyewear. It is warmer and softer than black, it complements brown, hazel, green and blue eyes, and it pairs with navy, gray, olive, camel and denim. It also flatters most skin tones and hair colors, including salt-and-pepper and gray.

3. Luxury you notice up close

From across a room, the CT0420O looks like a perfectly chosen classic frame. Up close, the gold-tone hinge and Double C temple tips reveal that it is Cartier. That discretion is exactly what many men want from a luxury accessory.

4. Built for real prescriptions

The full acetate rim hides lens edges, supports thin high-index lenses and gives your optician room for progressive designs. If you need glasses all day, every day, this is a frame that can handle it.

5. Comfortable for larger faces

With 56 mm lenses, an 18 mm bridge and 145 mm temples, the CT0420O fits medium-to-large men's faces comfortably, without pinching at the temples or sitting too high on the nose.

6. A more responsible material

The CT0420O is made with recycled acetate. You get the depth and warmth of classic tortoise acetate with less virgin raw material, a meaningful upgrade in a category that has traditionally relied on new plastics.

Check Availability – Limited Stock

Technical Specifications

Brand Cartier
Model CT0420O
Color code 006 – Tortoise / havana
Collection Première de Cartier
Product type Optical frame (eyeglasses)
Gender Men
Shape Rectangular with a soft pantos top line
Frame type Full rim
Frame material Recycled acetate with metal details
Hinge detail Gold-tone Godron + C de Cartier
Temple tips Double C logo plaque
Lens width 56 mm
Bridge width 18 mm
Temple length 145 mm
Fit Medium to large
Lenses Clear demo lenses
Prescription compatible Yes, by a licensed optician
Made in Italy
Other colors of this model 005 Black, plus other havana variations
UPC 843023169558
Lexor Miami SKU 30014271006
Price at Lexor Miami $1,095

How to read 56-18-145

These numbers are printed inside the temple. 56 is the width of each lens in millimeters, 18 is the bridge width between the lenses, and 145 is the temple length from hinge to tip. Together they describe a medium-to-large fit, typical of men's frames for average to broader faces. Compare them with glasses you already own: a difference of 1–2 mm usually feels very similar.

Is there a smaller size?

The CT0420O family has also been produced in a 53 mm size in some markets. The 56 mm version at Lexor Miami is the better choice for most adult men, especially those with wider faces or a broader nose bridge.

Materials: What the CT0420O Is Made Of

Recycled acetate

Acetate is a cellulose-based material prized in luxury eyewear for its rich color, warmth to the touch and ability to be adjusted with gentle heat. The CT0420O uses recycled acetate, which delivers the same look and comfort while reducing the use of new raw material. Lexor Miami's own product title flags it as a "recycle" frame for this reason.

Tortoise (havana) finish

Color 006 is a tortoise, or havana, pattern of warm browns, amber and darker flecks. Because each acetate sheet is unique, the pattern varies subtly from frame to frame, giving every pair a character of its own.

Gold-tone metal hinge

The Godron and C de Cartier hinge is crafted in gold-tone metal and set into the acetate front and temple. It adds a jewelry-like accent and provides a solid mechanical joint.

Metal-reinforced temples and Double C tips

Inside the acetate temples, a metal core keeps the arms straight and allows precise adjustment. The temple tips carry a Double C plaque, a detail Cartier drew from its vintage eyewear.

Design: A Closer Look

Close look at the Cartier CT0420O-006 56 tortoise acetate front and gold-tone hinge on men's luxury eyeglasses

Bold volumes, smooth surfaces and a gold-tone hinge: Cartier's modern take on its classic Première acetate frames.

The silhouette

The CT0420O is a rectangular frame with a slightly softened, pantos-inspired top line. The result feels strong and masculine without being severe. It sits well on the face and works in both professional and casual settings.

Bolder volumes

Cartier describes this design as having bolder volumes and smooth surfaces. In practice, that means a thicker, more substantial acetate front than vintage Première frames, which gives the CT0420O a modern, architectural presence.

The hinge as a jewel

The most distinctive design element is the gold-tone hinge. By combining the fluted Godron with the C de Cartier, the Maison turns a purely technical part into a signature. It is visible from the side and catches the light every time you turn your head.

Vintage-inspired temple tips

The Double C plaque on the temple tips is a nod to Cartier's earlier eyewear. It is the kind of hidden detail you notice when you fold your glasses on a desk or set them on a restaurant table.

The CT0420O color family

The CT0420O has been offered in black (005) and several havana variations. The 006 tortoise is the warmest and most versatile, and the one that works best for everyday wear with a wide range of wardrobes.

Technology and Craftsmanship

Italian acetate expertise

Authorized retailers list the CT0420O as made in Italy, home to many of the world's finest acetate eyewear workshops. Acetate frames are cut, shaped, tumbled and hand-polished over many hours to achieve a deep, glossy finish and smooth edges.

Precision hinge engineering

Integrating a metal emblem into a working hinge requires precise machining and assembly. A well-built hinge is what keeps a frame aligned and smooth-folding for years, so this is one of the most important quality factors in any pair of glasses.

Prescription versatility

Full-rim acetate is the most forgiving frame type for prescription lenses. It hides lens thickness, supports high-index materials and leaves room for progressive lens designs.

Custom fit

Because acetate can be warmed and gently reshaped, a licensed optician can adjust the temples and nose fit of the CT0420O to your face for all-day comfort and correct lens alignment.

How to Choose Lenses for Your Cartier CT0420O

Single-vision lenses

The most common option for distance or reading. They sit neatly inside the acetate rim and are invisible from the side.

Progressive lenses

If you are over 40 and need both distance and near vision, progressive lenses blend strengths without visible lines. The CT0420O's full rim and 56 mm lens width give your optician a comfortable area to place the progressive corridor; ask them to confirm with your measurements.

High-index lenses

For stronger prescriptions, 1.67 or 1.74 high-index lenses are thinner and lighter, keeping the profile clean and the frame comfortable.

Coatings

Add an anti-reflective coating for clearer vision and better-looking video calls, a blue-light filter for long screen days and a scratch-resistant hard coat to protect your lenses.

A prescription sun version

For Florida sun, ask about tinted, polarized or photochromic prescription lenses. A green or brown tint looks especially good in tortoise acetate.

FSA and HSA

Many Flexible Spending and Health Savings Account plans cover prescription eyewear. Check with your plan administrator about eligibility and documentation before you buy.

Will the CT0420O Fit You? A 4-Step Check

Buying eyeglasses online is easy when you know what to look for. Before you order, take two minutes for this simple fit check.

Step 1: Compare with a pair you already own

Look at the inside of the temple on your current glasses. If they read something like 55-18-145 or 57-17-145 and fit comfortably, the CT0420O's 56-18-145 measurements will feel very similar.

Step 2: Check the overall width

Two 56 mm lenses plus an 18 mm bridge, plus the end pieces, give a total frame width of roughly 140 mm or a little more. Hold a ruler across your face from temple to temple: if that width lands near the outer edges of your eyes or slightly beyond, the frame will sit well.

Step 3: Think about your eyes

Your eyes should sit close to the horizontal center of each lens. If your eyes are set close together, ask your optician; a well-made acetate frame can be adjusted slightly, and lenses are always cut to your pupillary distance.

Step 4: Consider the temple length

At 145 mm, the temples are a standard men's length. They should curve gently behind your ears without pressing. An optician can fine-tune the bend in minutes.

Still unsure? Visit the Miami showroom or send a message on WhatsApp and the Lexor Miami team will help you decide. And remember, unused frames can be returned within 30 days with a prepaid label.

Who Should Buy the Cartier CT0420O-006?

Professionals and executives

If your day is full of meetings, presentations and client dinners, the CT0420O sends the right message: confident, detail-oriented and successful, without trying too hard.

Men with medium to large faces

The 56-18-145 sizing suits most adult men and is especially comfortable for wider faces that find many designer frames too narrow.

Round, oval and heart-shaped faces

Rectangular frames add angles and definition to round and oval faces and balance heart-shaped faces. Very angular, square faces may prefer a rounder frame, but the CT0420O's softened top line makes it more forgiving than a sharp rectangle.

Watch and accessory collectors

If you wear a Cartier Santos or Tank, or simply appreciate fine watches, the gold-tone hinge creates a natural connection with your timepiece and cufflinks.

Gift buyers

For a promotion, Father's Day, a milestone birthday or a graduation, a Cartier optical frame is a refined, everyday luxury gift. He can add his own prescription lenses with his optician.

Who might prefer another model

If you want an ultra-light, minimal look, a rimless Cartier frame may suit you better. If you prefer a sharper black frame, consider the CT0420O in black (005) or the other men's acetate models compared below.

See the CT0420O-006 at Lexor Miami

Why Buy the Cartier CT0420O at Lexor Miami?

Cartier CT0420O-006 56 men's optical frame with Lexor Miami showroom, store hours, location and five-star Google reviews

Available at Lexor Miami's showroom and online, from an authorized Cartier dealer with thousands of five-star reviews.

Authorized Cartier dealer

Lexor Miami is an authorized Cartier eyewear dealer and appears on Cartier's official eyewear store locator for Miami. Every frame comes through official distribution with original Cartier packaging and documentation, which protects you from counterfeits and gray-market stock.

100% authentic, brand new, with warranty

Each Cartier frame sold by Lexor Miami is authentic, factory new and covered by the Cartier manufacturer warranty.

Cartier's U.S. retail price

The CT0420O-006 is offered at $1,095, the same price charged by other authorized U.S. Cartier opticians, plus personal service and fast shipping from Miami.

Free shipping and free returns

Products priced at $150 or more ship free within the 48 contiguous United States. Approved returns within 30 days of delivery come with a prepaid return label; items must be unused and in original condition and packaging. Lexor Miami does not ship to Alaska, Hawaii, Puerto Rico, APO/FPO/DPO addresses, freight forwarders or international destinations.

A real showroom in Miami

Try the CT0420O at Lexor Miami, 2371 NW 20th St, Miami, FL 33142, Monday to Saturday, 10:00 AM to 6:00 PM, with free parking and on-site security. Compare it in person with other Cartier optical frames and Cartier men's sunglasses.

Trusted by thousands

Lexor Miami is a women-owned family business with more than 20 years in luxury retail and over 3,100 five-star Google reviews.

Help before and after you buy

Ask about sizing, lenses or gifting, and take advantage of Lexor Miami's eyeglasses repair service later on. Reach the team on WhatsApp, call +1 (305) 633-0950, use the contact page or read the store FAQs.

Cartier CT0420O vs. Similar Cartier Men's Optical Frames

Here is how the CT0420O-006 compares with other Cartier men's optical frames currently listed at Lexor Miami. Prices reflect Lexor Miami's listings at the time of writing.

Model Construction Look Lens width Price
CT0420O-006 Full-rim recycled acetate Tortoise, gold Godron + C de Cartier hinge 56 mm $1,095
CT0291O-001 Full-rim acetate Thick black rectangle 54 mm $595
CT0278S 005 Full-rim acetate Thick tortoise rectangle 52 mm $645
CT0525O-005 Full-rim acetate Black rectangle, gold hinge accents 55 mm $695
CT0488O-001 Men's optical Cartier men's style 56 mm $1,295
CT0344O 003 Men's optical Cartier men's style — $1,295

CT0420O vs. CT0291O: Première detail or pure classic?

The CT0291O-001 is a thick black rectangle at a lower price and with a slightly smaller 54 mm lens. The CT0420O adds the gold Godron and C de Cartier hinge, vintage Double C temple tips, recycled acetate and a larger fit.

CT0420O vs. CT0278S: two tortoise options

The CT0278S 005 is another tortoise men's frame, smaller at 52 mm. Choose it for a narrower face; choose the CT0420O for broader faces and the richer Première de Cartier detailing.

CT0420O vs. CT0525O: tortoise or black?

The CT0525O-005 is a black acetate rectangle with gold hinge accents at $695. It is sharper and higher contrast; the CT0420O is warmer, larger and more heritage-driven.

CT0420O vs. CT0488O and CT0344O

The CT0488O-001 and CT0344O 003 are higher-priced men's options at $1,295. Try them in the showroom if you want to compare different Cartier signatures; the CT0420O remains the best value for a Première-inspired acetate frame.

For more on Cartier eyewear, read 4 Cartier Optical Frames Worth Knowing and Top Cartier Sunglasses & Optical Frames to Elevate Your Style in 2026, or browse all luxury optical frames.

The Luxury Lifestyle: Wearing Cartier, Every Day

From the boardroom to the weekend

Pair the CT0420O with a navy suit and white shirt for the office, an open-collar linen shirt for a Miami lunch, or a merino sweater and chinos for the weekend. Tortoise acetate sits naturally between formal and casual, so it never looks out of place.

Coordinating with your watch

The gold-tone hinge echoes yellow-gold watch cases, cufflinks and belt buckles. If you are building a collection, explore Lexor Miami's luxury watches to complete the look.

Miami, New York, anywhere

From Brickell and Coral Gables to Manhattan, Chicago or Los Angeles, the CT0420O travels well. For the outdoors, complete your Cartier wardrobe with Cartier men's sunglasses; our guide to the best Cartier sunglasses for men and women is a good place to start.

Caring for your Cartier acetate frame

  • Rinse lenses with lukewarm water and a drop of mild soap; dry with the Cartier microfiber cloth.
  • Avoid alcohol, acetone, cologne and hair products on the acetate.
  • Remove your glasses with both hands to protect the hinge alignment.
  • Store them in the original Cartier case.
  • Never leave acetate frames in a hot car; heat can warp them.
  • Have an optician check and adjust the fit once or twice a year.

Make It Yours – Shop Now

Frequently Asked Questions

How much is the Cartier CT0420O-006 56?

The Cartier CT0420O-006 56 is $1,095 at Lexor Miami, matching Cartier's U.S. retail price at authorized opticians, with free shipping within the 48 contiguous states.

What color is Cartier CT0420O 006?

Color 006 is tortoise (havana) acetate with gold-tone hinge details.

What collection is the CT0420O from?

It belongs to the Première de Cartier family, a contemporary reinterpretation of Cartier's iconic Première acetate styles.

What does 56-18-145 mean?

A 56 mm lens width, an 18 mm bridge and 145 mm temples, a medium-to-large men's fit.

What is the CT0420O made of?

Recycled acetate with gold-tone metal details, including the Godron and C de Cartier hinge and Double C temple tip plaques.

Where is the Cartier CT0420O made?

Authorized retailers list the CT0420O as made in Italy.

Can I put prescription lenses in it?

Yes. The full-rim acetate design works with single-vision, reading and progressive lenses, including thin high-index materials.

Is the CT0420O for men or women?

It is designed as a men's frame, though its classic tortoise rectangle can be worn by anyone who likes a larger, bold fit.

What other colors does the CT0420O come in?

It has also been offered in black (005) and several havana variations, depending on availability.

Is Lexor Miami an authorized Cartier dealer?

Yes. Lexor Miami is an authorized Cartier eyewear dealer listed on Cartier's official eyewear store locator for Miami, Florida.

Does it include a warranty and packaging?

Yes. It comes with the Cartier manufacturer warranty, the official Cartier case and original packaging.

Will it fit a narrow face?

With a 56 mm lens it is best for medium to large faces. Men with narrower faces may prefer a 52–54 mm Cartier frame such as the CT0278S or CT0291O.

How do I know my Cartier eyeglasses are authentic?

Check the model, color code and size printed inside the temple, the precise finishing, Cartier engravings and official packaging. Buying from an authorized dealer is the surest guarantee.

Can I return it if it doesn't fit?

Yes. Unused frames in original condition and packaging can be returned within 30 days of delivery with a prepaid label. Email info@lexormiami.com first to request a return authorization.

Can I try it on in person?

Yes. Visit Lexor Miami at 2371 NW 20th St, Miami, FL 33142, Monday through Saturday, 10:00 AM to 6:00 PM.

Is the Cartier CT0420O worth it?

If you wear glasses daily, it is one of the best-value ways to own Cartier's heritage design language: a bold tortoise frame, recycled acetate, Italian craftsmanship and signature Godron and C de Cartier details for $1,095.

Ready to Wear Cartier?

The Cartier CT0420O-006 56 is in stock at Lexor Miami, but quantities are limited. Order today for free U.S. shipping, free returns and the confidence of buying from an authorized Cartier dealer.

Cartier CT0420O-006 56 Première de Cartier men's tortoise eyeglasses from an authorized Cartier dealer

Buy the Cartier CT0420O-006 – $1,095

Free U.S. Shipping · 30-Day Free Returns · Authorized Cartier Dealer · 100% Authentic

Conclusion: Cartier Heritage, Built for Today's Man

The Cartier CT0420O-006 56 brings the character of Cartier's classic Première eyewear into a bolder, modern frame. The tortoise recycled acetate is warm and versatile, the rectangular shape gives instant structure, the Godron and C de Cartier hinge adds a jeweler's touch and the Double C temple tips connect it to the Maison's vintage designs. With 56-18-145 mm sizing and a full rim ready for any prescription, it is a frame made to be worn every day.

Buy it from an authorized dealer and you get the complete Cartier experience: authentic product, official packaging and manufacturer warranty. At Lexor Miami, that comes with Cartier's U.S. retail price, free shipping across the contiguous states, free returns and a real team in Miami ready to help.

Explore the full Cartier optical collection, Cartier sunglasses and Cartier men's sunglasses, or read more on the Lexor Miami blog, including why the Cartier CT0579S-005 is every man's statement piece. When you are ready, the Cartier CT0420O-006 56 is waiting for you.

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