Description
Description
Introducing the Saint Laurent SL 646/F Eyeglasses, a refined rectangular and square silhouette that epitomises modern luxury. Rendered in black, this frame pairs a sleek premium metal frame with authentic Italian tailoring. The front main color is Black, the temple main color is Black, and the lenses are Transparent, ensuring clarity with a discreet, elegant presence. Crafted in Italy from a premium metal frame (MET), the SL 646/F balances durability with comfort, featuring an 18 mm bridge and 145 mm temple length. Each detail reflects authentic designer craftsmanship and the enduring style Saint Laurent is known for.
For those who require vision correction, this frame is ready for prescription-ready customization. You can buy the frame-only or opt for prescription, and our team will fit your lenses and ship within 8–12 days. As the UK official stockist of Saint Laurent eyewear, Ardor Eyewear guarantees authentic packaging and full manufacturer standards.
Face shape guidance: the rectangular and square geometry typically flatters oval and round faces by adding definition, while also complementing oblong and long faces that seek balance. Those with heart-shaped or narrow faces may appreciate the frame's proportion against their features.
Available in two subtle colour options: Black and Silver (Size: 53 mm). The 53 mm lens width, 45 mm lens height, and 18 mm bridge combined with 145 mm temples ensure a comfortable, secure fit for daily wear—perfect for a cosmopolitan, professional lifestyle. The black variant exudes classic luxury, while the Silver offers a contemporary twist—each pair pairs beautifully with a tailored wardrobe.
Invest in enduring style and precise vision with the Saint Laurent SL 646/F. Experience Ardor Eyewear’s commitment to authenticity, convenience, and personalised service. Explore the two color options—Black and Silver—and select your preferred lens option today.
Product Specifications
Product Specifications
| Model Code: | SL 646/F |
| Brand: | Saint Laurent |
| Product Type: | Glasses |
| Barcode | 889652453811 |
| Gender: | Women |
| Suits These Face Shapes: | Round Face, Oval Face, Oblong Face, Long Face, Triangle Face, Round Face, Oval Face, Long Face, Narrow Face |
Frame Specifications
Frame Specifications
| Frame Shape: | Rectangle, Square |
| Front Material: | MET |
| Frame Front Colour: | Black |
| Front Colour (detailed): | Black |
Lens Specifications
Lens Specifications
| Lens Material: | Demo Lens |
| Lens Base Curve: | S04 |
| Polarized: | No |
| Photochromic: | No |
Size & Fit Details
Size & Fit Details
| Lens Width: | 53 MM |
| Lens Height: | 45 MM |
| Bridge Size: | 18 MM |
| Temple Length: | 145 MM |
| Size Guide: | M |
Saint Laurent Packaging
Saint Laurent Packaging

*The packaging image is for reference purposes only; actual packaging may differ.
Related Collections
Related Collections
Have any questions?
Saint Laurent - SL 646/F - Glasses
Saint Laurent
VAT & Shipping Included in Deal Price
SL 646/F (Saint Laurent) is selling:
Fast! Last few pairs left of these 100% original designer eyewear. Buy Now Before the Deal Ends Forever!
Proudly British: Authentic eyewear, fast UK delivery, easy returns. Shop with confidence!
- Free Delivery (Save £8)
- 14 Days Return
- 2 Year Warranty
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Description
Description
Introducing the Saint Laurent SL 646/F Eyeglasses, a refined rectangular and square silhouette that epitomises modern luxury. Rendered in black, this frame pairs a sleek premium metal frame with authentic Italian tailoring. The front main color is Black, the temple main color is Black, and the lenses are Transparent, ensuring clarity with a discreet, elegant presence. Crafted in Italy from a premium metal frame (MET), the SL 646/F balances durability with comfort, featuring an 18 mm bridge and 145 mm temple length. Each detail reflects authentic designer craftsmanship and the enduring style Saint Laurent is known for.
For those who require vision correction, this frame is ready for prescription-ready customization. You can buy the frame-only or opt for prescription, and our team will fit your lenses and ship within 8–12 days. As the UK official stockist of Saint Laurent eyewear, Ardor Eyewear guarantees authentic packaging and full manufacturer standards.
Face shape guidance: the rectangular and square geometry typically flatters oval and round faces by adding definition, while also complementing oblong and long faces that seek balance. Those with heart-shaped or narrow faces may appreciate the frame's proportion against their features.
Available in two subtle colour options: Black and Silver (Size: 53 mm). The 53 mm lens width, 45 mm lens height, and 18 mm bridge combined with 145 mm temples ensure a comfortable, secure fit for daily wear—perfect for a cosmopolitan, professional lifestyle. The black variant exudes classic luxury, while the Silver offers a contemporary twist—each pair pairs beautifully with a tailored wardrobe.
Invest in enduring style and precise vision with the Saint Laurent SL 646/F. Experience Ardor Eyewear’s commitment to authenticity, convenience, and personalised service. Explore the two color options—Black and Silver—and select your preferred lens option today.
Product Specifications
Product Specifications
| Model Code: | SL 646/F |
| Brand: | Saint Laurent |
| Product Type: | Glasses |
| Barcode | 889652453811 |
| Gender: | Women |
| Suits These Face Shapes: | Round Face, Oval Face, Oblong Face, Long Face, Triangle Face, Round Face, Oval Face, Long Face, Narrow Face |
Frame Specifications
Frame Specifications
| Frame Shape: | Rectangle, Square |
| Front Material: | MET |
| Frame Front Colour: | Black |
| Front Colour (detailed): | Black |
Lens Specifications
Lens Specifications
| Lens Material: | Demo Lens |
| Lens Base Curve: | S04 |
| Polarized: | No |
| Photochromic: | No |
Size & Fit Details
Size & Fit Details
| Lens Width: | 53 MM |
| Lens Height: | 45 MM |
| Bridge Size: | 18 MM |
| Temple Length: | 145 MM |
| Size Guide: | M |
Saint Laurent Packaging
Saint Laurent Packaging

*The packaging image is for reference purposes only; actual packaging may differ.
Related Collections
Related Collections
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Authorized UK retailer of Ray-Ban, Oakley, Gucci, Tom Ford, Persol, Saint Laurent and 25+ more. Every pair guaranteed authentic, dispatched from our Derby HQ with free UK delivery, 14-day returns and a 2-year warranty — prescription orders included.
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Pair it with Carl Zeiss or Essilor prescription lenses, fitted in-house by qualified opticians — with anti-reflective, blue-light, photochromic or polarized upgrades to suit how you wear them.
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