Square Nautilus-inspired 5821 Black Sunburst Full Pavé Diamond Super Clone

Premium top-tier factory exclusive launch: the all-new 2025 Square Nautilus-inspired 5821 black sunburst full pavé diamond model, the most versatile and timeless iced out luxury piece, featuring the classic black sunburst dial that works for every single occasion, paired with the fully diamond-encrusted case and bracelet, perfect for users who want the iced out look that works for the office, the party, and everything in between. A lot of our clients from North America also refer to this model as Cubitus 5821, we know this is the one you want.

Every single diamond on this piece is carefully selected for its perfect cut, color intensity and clarity, hand-set by our master gemsetters using the same pavé setting techniques as high-jewelry watchmaking workshops. The entire case, bezel and bracelet are fully encrusted with hundreds of brilliant-cut diamonds, while the deep black sunburst dial delivers that perfect dark background, making the diamonds sparkle even brighter, without being too flashy.

Built with the 45mm large size case, it's perfect for big wrists, we also offer free bracelet adjustment to make sure it fits your wrist perfectly. It's powered by the high-precision custom 9015 modified Cal.26-330 SC movement with stop-seconds function, delivering reliable and accurate timekeeping, just like the original.

The classic black dial is the most versatile color in the entire collection, it never goes out of style, and this full pavé diamond version makes it even better, it's the perfect iced out piece that you can wear every single day, no matter what you're doing, if you're looking for a versatile luxury piece that works for everything, this is exactly what you've been looking for.

If you like this 45mm big wrist basic style, you might also be interested in:

• Our 7128 Regular Wrist Basic Collection, if you have a regular wrist and want a smaller case size
• Our 5822 Big Wrist Annual Calendar Collection, if you want the multi-function annual calendar model for big wrists
• Our 5821 Full Pavé Diamond Collection, if you are looking for the luxury iced out style