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Description
PPF Patek Philippe Nautilus Ref. 5726 Annual Calendar
The PPF edition represents a horological benchmark in replicating the complex 5726 case architecture and integrated calendar module.
Powered by Modified Clone 324
The PPF Clone 324 caliber is heavily modified to incorporate the complex calendar module required for the 5726 reference. Operating at a frequency of 28,800 vibrations per hour, the mechanism features an accurately styled Gyromax-style balance wheel. The movement architecture closely mimics the genuine Patek Philippe layout, showcasing detailed perlage on the base plates and accurately applied côtes de Genève finishing across the bridges.
Typically regulated to ±5–8 seconds per day, representing solid performance for a heavily modified clone calendar caliber.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Day, date, 24-hour display, and moonphase
- ✅ Winding Direction: Unidirectional
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
Features a 1:1 solid case mirroring genuine architecture at 11.5mm thick, integrating the bezel and mid-case seamlessly with precise alternating brushed and polished finishes.
Correct horizontal embossing interacts with light, shifting through a spectrum of navy and slate with #003A70 blue-grey accents, aligning closely with the genuine lacquer formulation.
Exhibits an accurate brushed top surface with high-polish chamfered edges, maintaining correct proportions relative to the crystal.
High-quality pliable rubber tailored to the mid-case, secured by a precisely toleranced 904L steel deployant clasp with accurate engravings.
Why PPF for This Reference?
Many collectors ask: “Why not GRF?”
Historically, manufacturers like GRF struggled with the intricate case profile of the 5726, often resorting to an incorrect multi-piece construction to simplify the finishing process. PPF engineered a solid 1:1 case that accurately mirrors the genuine architecture, providing superior structural integrity and visual accuracy.
Full Disclosure: The moonphase disc background exhibits a slightly higher color saturation under direct sunlight compared to the genuine Patek Philippe finish.
Data Sheet
| MODEL REFERENCE | Nautilus 5726 |
| FACTORY / VERSION | PPF Edition |
| MOVEMENT | Modified PPF Clone 324 |
| CASE MATERIAL | 904L Stainless Steel |
| WEIGHT & THICKNESS | ~115g | 11.5mm |
| CRYSTAL & LUME | Sapphire | Swiss Super-LumiNova |
| DIMENSIONS | 40.5mm × 48.0mm × 11.5mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | 30m stated — professional pressure test recommended before swimming |
Collector Q&A
Q: Does the calendar module function identically to the genuine Ref. 5726?
A: The PPF utilizes a heavily modified Clone 324 to drive the day, date, 24-hour, and moonphase displays. While fully functional, it does not possess the exact mechanical annual calendar mechanism of the genuine caliber, requiring manual advancement for months with fewer than 31 days.
Q: How accurate is the dial color on this PPF edition?
A: The textured horizontal embossing interacts with light to shift between navy and slate, closely aligning with the genuine lacquer formulation and featuring accurate blue-grey accents.
Q: Is the case construction truly 1:1 with the genuine?
A: Yes. Unlike earlier iterations from other manufacturers that used a simplified multi-piece case, PPF engineered a solid 904L stainless steel case that mirrors the genuine architecture, integrating the bezel and mid-case seamlessly.
Q: What is the most notable flaw on this specific replica?
A: The power reserve of the modified Clone 324 is approximately 36 hours, which is shorter than the genuine caliber. Additionally, the moonphase disc background exhibits a slightly higher saturation compared to the genuine Patek Philippe finish.
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