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The Charmant Pure Titanium TI12140 Eyeglasses bring together Japanese precision engineering and the remarkable properties of pure titanium in a refined half-rim design. Built from 100% pure titanium, these prescription-ready frames deliver the lightweight comfort and durability that have made Charmant a pioneer in titanium eyewear since the 1980s.
Pure Titanium Construction
These frames are constructed from pure titanium, a material that's approximately 40% lighter than standard steel frames yet exceptionally strong. The result is a pair of eyeglasses you'll barely feel on your face, even during all-day wear. Titanium's natural hypoallergenic properties make the TI12140 ideal for those with sensitive skin or metal allergies, while its superior corrosion resistance ensures your frames maintain their appearance through years of daily use—no green discoloration or rust from sweat or humidity.
The half-rim (semi-rimless) design showcases more of your face while maintaining structural integrity. The metal upper rim provides strength where it's needed most, while the open lower portion keeps the overall weight minimal and the look professional. You can see the decorative temple detail in the photos—a subtle scroll accent that adds visual interest without overwhelming the clean, modern aesthetic.
Designed for Prescription Lenses
The TI12140 is fully prescription-ready and compatible with single-vision, bifocal, and progressive lenses. The rectangle shape and adequate lens height make these frames particularly well-suited for multifocal prescriptions. Available in two sizes—51mm and 53mm eye width—with an 18mm bridge and 140mm temples, ensuring a comfortable fit for most face shapes. The frame comes in four versatile colors: Black, Blue, Brown, and Wine.
Japanese Heritage, Global Quality
Charmant was founded in Sabae, Japan in 1956 and became one of the first eyewear manufacturers to work extensively with titanium. That decades-long expertise shows in the TI12140's construction—from the precision welding to the smooth temple hinges. These frames represent the Japanese values of exceptional craftsmanship, attention to detail, and uncompromising quality that have defined Charmant for over 65 years.
Product Details
Product DetailsModel
TI 12140Shape
Gender
Material
Bridge Type
Rim Type
Age Group
Color Details
Color DetailsFrame Color
BrownColor Code
BRColor Description
Brown
Frame Color
BlueColor Code
BLColor Description
Blue
Frame Color
BrownColor Code
BRColor Description
Brown
Frame Color
BlueColor Code
BLColor Description
Blue
Frame Color
BurgundyColor Code
WIColor Description
Wine
Frame Color
BurgundyColor Code
WIColor Description
Wine
Frame Color
BlackColor Code
BKColor Description
Black
Frame Color
BlackColor Code
BKColor Description
Black
Size Details
Size DetailsLens Width
51mmBridge Width
18mmTemple Length
140mmSize
5118-140
Lens Width
53mmBridge Width
18mmTemple Length
140mmSize
5318-140
Lens Width
53mmBridge Width
18mmTemple Length
140mmSize
5318-140
Lens Width
51mmBridge Width
18mmTemple Length
140mmSize
5118-140
Lens Width
51mmBridge Width
18mmTemple Length
140mmSize
5118-140
Lens Width
53mmBridge Width
18mmTemple Length
140mmSize
5318-140
Lens Width
53mmBridge Width
18mmTemple Length
140mmSize
5318-140
Lens Width
51mmBridge Width
18mmTemple Length
140mmSize
5118-140
Nice to have 10% discount on daily based
I'm very partial to Charmant titanium frames but this is my first half rim model. I love the way it looks on my face and it's virtually weightless.
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Frequently Asked Questions
Are these eyeglasses compatible with progressive lenses?
Yes, the Charmant Pure Titanium TI12140 is fully compatible with progressive (no-line bifocal) lenses. The half-rim design provides adequate lens height for the smooth transition zones progressive lenses require, and the rectangle shape works well for multifocal prescriptions. These frames also accommodate single-vision and traditional bifocal lenses.
How much do pure titanium frames weigh compared to regular metal frames?
Pure titanium frames like the TI12140 are approximately 40-48% lighter than standard steel frames. Customers frequently describe them as 'virtually weightless,' making them ideal for extended wear without pressure on the nose or ears. This lightweight nature is one of titanium's most valued properties in eyewear.
Are titanium eyeglass frames hypoallergenic?
Yes, pure titanium is naturally hypoallergenic and contains no nickel, the metal most commonly responsible for allergic reactions from eyewear. The TI12140's 100% pure titanium construction makes it an excellent choice for people with sensitive skin or metal allergies, and it won't cause irritation even with all-day wear.
What sizes are available for the Charmant TI12140?
The TI12140 is available in two lens widths: 51mm and 53mm. Both sizes feature an 18mm bridge width and 140mm temple length. The measurements are 51-18-140 and 53-18-140, allowing you to choose the best fit for your face width and prescription needs.
Will titanium frames bend or break easily?
No—titanium frames are exceptionally durable and flexible. They can bend without breaking and typically return to their original shape, making them far more resilient than plastic or standard metal frames. This flexibility, combined with titanium's high strength-to-weight ratio, means the TI12140 can withstand daily wear and accidental stress far better than conventional frames.
What is Charmant's history with titanium eyewear?
Charmant, founded in Sabae, Japan in 1956, became a pioneer in processing high-quality titanium for eyeglass frames starting in the 1980s. The brand was one of the first eyewear manufacturers to launch a fully titanium frame collection and has since become synonymous with quality titanium eyewear, with over 65 years of Japanese craftsmanship expertise.
Compare With Similar Frames
How the Charmant Pure Titanium TI12140 Eyeglasses stacks up against the closest alternatives we carry.
- Same pure titanium construction and lightweight comfort
- Similar Japanese craftsmanship and quality standards
- Likely similar hypoallergenic and corrosion-resistant properties
- Lower price at $104.60
- Same pure titanium material benefits
- Same brand heritage and Japanese manufacturing quality
- Similar price point at $123.06
- Identical pure titanium construction
- Same lightweight, hypoallergenic benefits
Read the full comparison
Charmant Pure Titanium TI12140 vs. Similar Models
If you're considering the TI12140, you might also want to compare it to other frames in Charmant's Pure Titanium collection. All share the same exceptional material quality and Japanese craftsmanship, but differ in styling and price.
TI12140 vs. TI12147
The Charmant Pure Titanium TI12147 offers the same pure titanium construction at a lower price point ($104.60 vs. $116.91). Both frames deliver the lightweight comfort, hypoallergenic properties, and corrosion resistance that define Charmant's titanium collection. The TI12147 may feature a different frame shape or design details, so your choice comes down to which style better suits your face shape and personal aesthetic—and whether the price difference matters for your budget.
TI12140 vs. TI12139
The Charmant Pure Titanium TI12139 sits at a slightly higher price ($125.52) within the same collection. You're getting the same Japanese manufacturing quality and pure titanium benefits, but the TI12139 may offer different styling details or frame dimensions. If the TI12140's half-rim rectangle design appeals to you and fits your prescription needs, the price difference may not justify switching models unless the TI12139's specific aesthetic is more your style.
TI12140 vs. TI12143
At $123.06, the Charmant Pure Titanium TI12143 is comparably priced to the TI12140. Both frames share identical material construction—100% pure titanium with all the associated benefits of lightweight wear, flexibility, and skin-friendly composition. Your decision here is purely about frame design and fit: which shape works better with your face, and which color options appeal to you most.
Our take: The TI12140 offers excellent value in Charmant's Pure Titanium lineup. Its half-rim design is particularly well-suited for progressive lenses, and the rectangle shape is universally flattering. Unless you have a strong preference for a different frame style or need to hit a specific price point, the TI12140 represents a smart choice in this collection.
At a Glance
Charmant Pure Titanium TI12139 Eyeglasses
Pros:
- Same pure titanium construction and lightweight comfort
- Similar Japanese craftsmanship and quality standards
- Likely similar hypoallergenic and corrosion-resistant properties
Cons:
- Slightly higher price point at $125.52
- May have different frame shape or styling details
- Different size options may be available
Charmant Pure Titanium TI12147 Eyeglasses
Pros:
- Lower price at $104.60
- Same pure titanium material benefits
- Same brand heritage and Japanese manufacturing quality
Cons:
- May have different frame shape or design details
- Potentially different size availability
- Different aesthetic that may not suit all preferences
Charmant Pure Titanium TI12143 Eyeglasses
Pros:
- Similar price point at $123.06
- Identical pure titanium construction
- Same lightweight, hypoallergenic benefits
Cons:
- Different frame design may not suit all face shapes
- Potentially different color options
- May have different measurements