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Description
3KF Patek Philippe Nautilus 5711 — Grey Dial on Leather
The 3K Factory iteration remains the horological benchmark for the 5711, leveraging a proprietary clone caliber to achieve the elusive 8.1mm genuine case profile.
Powered by Caliber 324SC Clone
The 3KF proprietary 324SC movement is a ground-up clone rather than a decorated base caliber. This engineering approach ensures the balance wheel is positioned correctly relative to the genuine, while the automatic winding bridge, rotor bearing, and côtes de Genève finishing closely mimic OEM specifications. By eliminating the need for modular adapter plates, the movement maintains extreme thinness without sacrificing structural integrity.
Regulated prior to assembly, the 324SC clone typically operates within a tolerance of ±10–15 seconds per day. Positional variance is standard for this caliber, but amplitude remains stable across its power band.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Hours, minutes, sweep seconds, and quickset date
- ✅ Winding Direction: Unidirectional winding rotor
Technical Notice: Clone 324 Movement
The replica market currently produces only the Clone 324 movement. Even if movement bridges are engraved “330”, the mechanism operates as Clone 324.
Practical implication: The seconds hand does not stop when setting the time. This is correct behavior for this movement and ensures maximum long-term stability.
Technical Specifications
The porthole-inspired case measures 40mm in diameter and an exact 8.1mm in thickness. The integration of the leather strap drops the total weight to a highly wearable 80.7g.
Features the classic horizontal motif with a subtle grey-green metallic interplay under direct light. Super-LumiNova is applied uniformly to the baton indices and hands.
The rounded octagonal bezel exhibits strict vertical brushing on the flat surface, contrasted by high-polish chamfered edges that catch ambient light precisely.
Fitted with a 1:1 replicated black leather strap terminating in a stainless steel Calatrava cross deployant clasp, offering secure closure and minimal endplay.
Why 3K Factory for This Reference?
Many collectors ask: “Why not PPF?”
The distinction lies entirely in case geometry and movement architecture. PPF utilizes a modified Miyota 9015 movement, which necessitates a thicker case profile (approximately 8.5mm to 8.6mm). 3KF’s development of the true 324SC clone allows this replica to achieve the verified 8.1mm thickness of the genuine article, providing a vastly superior on-wrist feel and correct crown height.
Full Disclosure: The sunburst effect on the 3KF grey dial can occasionally appear slightly more metallic than the genuine Patek Philippe lacquer under harsh sunlight, and the date wheel font weight exhibits minor variances.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | Nautilus 5711 |
| FACTORY / VERSION | 3K Factory (3KF) Edition |
| MOVEMENT | Caliber 324SC Clone |
| CASE MATERIAL | 316L Stainless Steel |
| WEIGHT & THICKNESS | 80.7g | 8.1mm |
| CRYSTAL & LUME | Sapphire with AR | Super-LumiNova |
| DIMENSIONS | 40mm × 47mm × 8.1mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | >50 Meters — professional pressure test recommended before swimming |
Collector Q&A
Q: Why is the 3KF 5711 preferred over the PPF version?
A: 3KF utilizes a proprietary clone 324SC movement, which allows the case to achieve the genuine 8.1mm thickness. In contrast, PPF relies on a thicker modified Miyota 9015 movement, resulting in a slightly thicker case profile and incorrect crown position.
Q: Does the seconds hand stop (hack) when setting the time?
A: No. The 3KF clone 324SC movement correctly mimics the genuine Patek Philippe caliber, which does not feature a hacking seconds mechanism.
Q: Is the 80.7g weight accurate for this model?
A: Yes, at 80.7g, this reflects the weight of the steel case head paired with the leather strap and deployant clasp, making it significantly lighter than the full steel bracelet version.
Q: What is the most notable visual flaw on this specific 3KF grey dial?
A: The sunburst texture on the 3KF grey dial can exhibit a slightly more metallic sheen under harsh lighting compared to the genuine OEM lacquer, and the date wheel font weight occasionally varies slightly from genuine specifications.
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