Cartier CT0689S Square Sunglasses with Black Acetate Frame

1. Brand

2. Model

3. Size Specifications (Approximate)

• Lens Width: ~53mm (The square lenses create a bold, face - framing silhouette, flattering various face shapes).
• Bridge Width: ~18mm (Optimized for comfortable nose support, ensuring stability and wearability).
• Temple Length: ~145mm (Engineered for secure, all - day ergonomic wear, balancing lightweight comfort and structural integrity).

4. Lens Quality

• Gray Lenses: Deliver high - contrast clarity and effective glare reduction in bright conditions, maintaining a sleek, modern aesthetic.
• UV Protection: 100% UV400 protection shields eyes from harmful UVA/UVB rays.
• Durability: Scratch - resistant and impact - resistant coatings ensure long - lasting optical clarity and resilience against daily wear.

5. Frame Quality

• Material:
  • Black Acetate: Lightweight, durable, and polished to a glossy finish, offering hypoallergenic comfort.
  • Metal Monogram Accents: Premium alloy with anti - tarnish treatment, featuring intricate brand - inspired detailing on temples.
• Design Details:
  • The acetate frame’s bold square shape pays homage to retro luxury, while metal accents add a signature Cartier touch.
  • Precision - engineered hinges ensure smooth operation and lasting durability.

6. Functions & Maintenance

• Functions:
  • Sun Protection: Ideal for daily wear and outdoor activities, providing comprehensive UV defense and glare reduction.
  • Style Enhancement: The black acetate frame, metal monogram accents, and gray lenses create a sophisticated, versatile look that complements both casual and formal outfits.
• Maintenance:
  • Cleaning: Use a soft microfiber cloth and mild, alcohol - free cleaner to wipe lenses and frames. Avoid abrasive materials to prevent scratches on acetate or metal surfaces.
  • Storage: Store in the original Cartier case (protected from dust, scratches, and warping) in a cool, dry place.
  • Handling: Always hold by the temples to avoid frame misalignment or damage to the acetate/metal structure.

7. Design & Craftsmanship

• Design: The square silhouette merges retro glamour with modern minimalism, while the contrast between black acetate and metal accents reflects Cartier’s design philosophy of balancing timelessness with subtle luxury.
• Craftsmanship:
  • The acetate frame undergoes precision shaping and hand - polishing for a flawless, glossy finish.
  • Metal monogram accents are meticulously crafted and finished, showcasing Cartier’s unwavering commitment to artisanal mastery.