
Eyewear care tips
The right habits to clean, protect and extend the life of your glasses every day.



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Shipped within 24 to 48 hours for the frame alone, 5 to 10 days for prescription lenses. Learn more
With the MB420SK, Montblanc presents a square-shaped pair of sunglasses designed for men, crafted from acetate that offers a clean silhouette and long-lasting durability. The full-rimmed frame embraces the square shape with a precision that reflects the brand’s signature commitment to craftsmanship, where every detail is driven by a focus on precision rather than show. The model is available in two colours, black and anthracite grey, in a understated style that prioritises discretion over ostentation. The 55 mm frame and 150 mm temples ensure a balanced fit on the face. Part of the SS25 collection, this pair offers UV protection and can be fitted with prescription lenses to suit your vision needs. Available in-store at Lyon 2, it can also be dispatched throughout France and internationally.
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