This replica Cubitus 5821/1A-001 follows Patek Philippe’s square-cased sports watch in its original olive green colour. The 5821/1A reference launched the Cubitus collection in 2024, and this green dial version leans into the earthy color trend that has dominated luxury sport watches over the past few seasons. At 45 mm the square case wears large, but the integrated bracelet and relatively slim profile keep it from feeling oversized. The sunburst dial with horizontal embossed stripes catches light at different angles, giving the green surface a shifting depth that flat-finished dials cannot match. There are more olive 5821/1A-001 notes in our super clone guide.

Specifications

• Model: Cubitus (hours, minutes, centre seconds, date)
• Reference: 5821/1A-001
• Case: stainless steel (genuine 5821/1A: steel)
• Case size: 45 mm, square case with octagonal bezel
• Dial: olive green sunburst, horizontal embossed stripes, applied luminous batons, date at 3
• Bezel: brushed octagonal bezel with polished chamfer
• 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 with anti-reflective coating
• Bracelet: integrated stainless steel bracelet, brushed and polished links, folding clasp

The genuine 26-330 S C is the same caliber found in the Nautilus 5811, and this watch carries the clone Cal. 26-330 S C, giving the square case the same layout as its Nautilus sibling. In the genuine, winding runs through a central rotor, not a micro-rotor, and the flat calibre keeps overall thickness manageable for a 45mm case.

Clone Movement Behind the Olive Dial

In the genuine watch, the 26-330 S C operates at 28,800 vibrations per hour with a silicon Spiromax balance spring; the clone reproduces its centre seconds and date at 3. This caliber has been replacing the long-running 324 S C across several Patek collections in recent years. The power reserve is about 42 hours on the clone (genuine: 45 hours), enough for an overnight rest on the nightstand. Compared to the chronograph-equipped references some collectors favor, this time-and-date movement prioritizes reliability over complication count. Browse the full Cubitus lineup to see how the collection handles both steel and two-tone configurations.

Closest to the Catalogue: Why Olive Matters

Green dials have become a signature across many collections, but the Cubitus delivers the color on a square canvas rather than the typical round case. The horizontal embossing adds visual complexity that a plain sunburst finish would lack. If you prefer a stone-set look, consider the iced navy-dial variant for a bolder statement. Because olive green on steel is exactly how Patek launched the 5821/1A-001 in 2024, this is the Cubitus super clone that copies a catalogue watch rather than a factory colour.

Other versions of this model in stock: Patek Philippe Cubitus 5821 black dial, Patek Philippe Cubitus 5821 blue dial, Patek Philippe Cubitus 5821 white dial, Patek Philippe Cubitus 5821 turquoise dial.