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Description
PPF Patek Philippe Nautilus 5726 Annual Calendar
A structurally precise execution of the Nautilus annual calendar, distinguished by its correct case architecture and functional complication module.
Powered by PPF Modified Clone 324
The movement utilizes a base 324 clone fitted with a comprehensive calendar module, enabling functional adjustment of the day, date, month, and moonphase via the case flank correctors. The automatic rotor is finished with perlage and circular côtes de Genève, aligning closely with Patek’s aesthetic standards. The simulated Gyromax balance wheel operates at 28,800 VPH, ensuring a smooth sweep for the central seconds hand.
±5–8 s/day. Regulated prior to dispatch, this modified caliber maintains stable amplitude despite the additional friction introduced by the calendar module gearing.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Hours, minutes, seconds, day, date, month, moonphase, and 24-hour display
- ✅ Winding Direction: Unidirectional (clockwise)
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
Accurate 1:1 case construction measuring 11.3mm in thickness. The integration of the mid-case and bezel mirrors the genuine two-part Nautilus assembly, avoiding the incorrect three-part stack seen on inferior versions.
Features correct lacquer thickness with sharp typography. The horizontal embossing effectively catches ambient light, shifting from a lighter metallic center to a deep, dark perimeter. Sub-dials are correctly recessed.
Exhibits a meticulously brushed vertical face contrasted by highly polished, distortion-free chamfered edges. The porthole geometry is precisely machined to sit flush against the mid-case.
Supple black rubber strap integrating seamlessly into the case lugs without excessive endplay. Secured by a 904L steel twin-trigger deployant clasp with crisp mechanical engagement.
Why PPF for This Reference?
Many collectors ask: “Why not ZF?”
While ZF dominates the time-only 5711 market, PPF invested heavily in the unique case geometry and complication module required for the 5726. The PPF version maintains the correct case thickness of 11.3mm by utilizing a custom-engineered movement module rather than stacking off-the-shelf calendar plates, ensuring the corrector pushers align precisely with the genuine specifications.
Full Disclosure: The moonphase disc printing, while functional, lacks the deep, three-dimensional metallic dusting seen on the genuine Patek Philippe lunar indicator under high magnification.
Data Sheet
| MODEL REFERENCE | 5726A-001 |
| FACTORY / VERSION | PPF Edition |
| MOVEMENT | PPF Modified Clone 324 |
| CASE MATERIAL | Solid 904L Stainless Steel |
| WEIGHT & THICKNESS | ~115g | 11.3mm |
| CRYSTAL & LUME | Sapphire with AR Coating | Superluminova |
| DIMENSIONS | 40.5mm × 47.0mm × 11.3mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | >50 Meters — professional pressure test recommended before swimming |
Collector Q&A
Q: Do all the calendar functions and the moonphase work on this PPF 5726?
A: Yes, the day, date, month, 24-hour indicator, and moonphase are fully functional. They are adjusted using the recessed corrector pushers on the sides of the case, replicating the operation of the genuine caliber.
Q: How does the grey dial color compare to the genuine Patek Philippe?
A: PPF has achieved a highly accurate gradient effect on the grey dial. The horizontal embossing catches the light correctly, shifting from a lighter metallic grey in the center to a deeper, almost black tone at the dial perimeter.
Q: Are the case dimensions accurate to the genuine 5726A?
A: The case diameter is an accurate 40.5mm across the 10-to-4 axis. The thickness is 11.3mm, which is an impressive horological achievement for a replica housing a modular calendar complication, remaining visually identical to the genuine profile on the wrist.
Q: What is the main limitation of the PPF modified 324 caliber in this model?
A: Because it utilizes a complex calendar module stacked on a base movement, the date change mechanism is not instantaneous at midnight. Additionally, you must strictly avoid using the quick-set correctors between 8:00 PM and 3:00 AM to prevent damaging the delicate calendar module gears.
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