Patek Philippe Cubitus 5821 style replica in full rose gold tone, with a brown horizontally embossed dial, a date at three and an integrated bracelet in the same warm finish. This replica Cubitus brings the 2024 Cubitus silhouette in a 45 mm rose gold-tone case with a brown dial that matches the warm tone of the metal surrounding it. Patek Philippe designed the 5821 as the launch reference for the Cubitus collection and added a brown dial only in 2025, on the 40 mm rose gold 7128/1R-001; this 45 mm version is a factory variant that creates the same monochromatic warmth across case, bracelet, and dial. The square case sits distinctly on the wrist with its angled octagonal corners and an integrated bracelet that tapers toward a folding clasp. Our guide explains the 7128/1R and the 45 mm rose variant side by side.

Specifications

• Model: Cubitus (hours, minutes, centre seconds, date)
• Reference: 5821 (factory variant in rose gold tone, 45 mm)
• Case: rose gold tone over steel (genuine: Patek’s only rose gold Cubitus is the 40 mm 7128/1R in 18k rose gold)
• Case size: 45 mm, square case with octagonal bezel
• Dial: brown sunburst, horizontal embossed stripes, applied batons, date at 3
• Bezel: rose gold-tone octagonal bezel
• Functions: hours, minutes, centre seconds, date at 3
• Movement: clone Cal. 26-330 S C, automatic
• Power reserve: 42 hours (genuine Cal. 26-330 S C: 45 hours)
• Water resistance: 30 m (not for swimming)
• Crystal: sapphire
• Bracelet: integrated bracelet in rose gold tone

The brown dial uses the same horizontal embossing found across all Cubitus references, and the darker tone creates deeper shadows between the raised stripes. Under direct light the sunburst shifts between chocolate and bronze.

The 7128/1R Look in a 45 mm Case

The 26-330 SC caliber shared with the Nautilus 5811 runs at 28,800 vibrations per hour with a silicon Spiromax hairspring and Gyromax balance in the genuine reference; here it is reproduced as the clone Cal. 26-330 S C. These specifications place the movement in the upper tier of luxury automatic calibers, and sharing it with the Nautilus signals where Patek positions the Cubitus within its internal hierarchy. The center-seconds hand sweeps smoothly, and the date window at 3 o’clock uses a recessed frame that sits flush with the dial surface. For a different take on the same case shape, see the brown ombre dial version which adds a gradient effect to the same brown palette. The full Cubitus lineup covers both monochrome and two-tone executions of this new square sports format.

Brown on Rose Gold Tone, Edge to Edge

Brown on rose gold tone is the most tonally cohesive configuration in our Cubitus range. Where white or blue dials create contrast against a rose gold-tone case, the brown dial blends into it, producing a unified warmth across every visible surface. This approach appeals to buyers who prefer their watch to read as one continuous material statement rather than a combination of distinct elements. The 45 mm square case still delivers sport-watch proportions, but the monochromatic palette pulls it closer to dress territory. The plating is rose gold tone over steel (genuine 7128/1R: 18k rose gold), so treat this replica Cubitus as a look, not a precious-metal watch.

Other versions of this model in stock: Patek Philippe Cubitus 5821 white dial, Patek Philippe Cubitus 5821/1AR-001 blue dial, Patek Philippe Cubitus 5821/1A white dial, Patek Philippe Cubitus 5821/1A tiffany blue dial.