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Description
ZF Audemars Piguet Royal Oak Frosted 15400 Grey Dial
A technically proficient execution of the hammered Florentine finish, paired with a reliable Caliber 3120 clone architecture.
Driven by Caliber 3120 Super Clone
The mechanical core of this reference is the true clone Caliber 3120. By moving away from standard decorated base movements, ZF achieves the correct 9.6mm overall case thickness while maintaining the proper balance wheel position. The 22K gold-plated rotor is intricately engraved with the AP coats of arms, visible through the sapphire exhibition caseback. The movement operates at a steady 28,800 vibrations per hour, ensuring a smooth sweep for the central seconds hand, and passes for amplitude and beat error.
This Caliber 3120 clone is regulated to an operational variance of 卤10��15 seconds per day, which falls well within acceptable tolerances for non-METAS certified replica movements.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Center hours, minutes, seconds, and instantaneous date display at 3 o��clock
- �� Winding Direction: Bidirectional automatic winding
Construction & Specifications
The 41mm case is meticulously micro-hammered to create the signature frosted effect. Crucially, the chamfered edges remain highly polished, providing the necessary contrast that defines the Royal Oak��s complex geometry.
The dial exhibits a dynamic ruthenium-grey tone with deep, sharply stamped tapisserie squares. The applied baton hour markers and hands are treated with luminous material for low-light legibility.
The iconic octagonal bezel is fully frosted on its flat upper surface, punctuated by eight polished white gold-tone hexagonal screws that sit perfectly flush with the metal.
The integrated bracelet features the same Florentine finish across its primary links, with polished side bevels. It secures via a double-deployant AP butterfly clasp with tight tolerances.
Why We Selected ZF
Collectors frequently ask: ��Why not APSF?��
While APSF is widely considered the benchmark for standard brushed stainless steel 15400 and 15500 models, ZF has historically excelled in the specialized micro-hammering technique required for the Frosted editions. The light refraction on the ZF bracelet links more accurately mimics the diamond-dust sparkle of the genuine Carolina Bucci design, whereas competing factories often produce a finish that appears too uniform or sandblasted.
Worth Noting: The aggressive micro-hammering process means the ZF frosted bracelet has a slightly sharper tactile feel against the skin compared to a standard brushed Royal Oak bracelet.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | 15400 Frosted Edition |
| FACTORY / VERSION | ZF Edition |
| MOVEMENT | Caliber 3120 Super Clone |
| CASE MATERIAL | Frosted Stainless Steel |
| WEIGHT & THICKNESS | 169g | 9.6mm |
| CRYSTAL & LUME | Sapphire with AR Coating | Super-LumiNova |
| DIMENSIONS | 41mm � 51mm � 9.6mmFigures are measured by hand; small tolerances apply. |
| WATER RESISTANCE | 50m stated rating �� professional pressure test recommended before swimming |
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Collector Q&A
Q: How does the frosted finish on the ZF 15400 compare to standard brushed models?
A: The Florentine finish is achieved through a specialized micro-hammering process, giving the steel a diamond-dust sparkle without using actual gemstones. It has a distinctly rougher tactile feel than standard brushed steel, accurately reflecting the Carolina Bucci design.
Q: Is the dial color a flat grey or metallic?
A: The grey dial features a metallic ruthenium tone that shifts under different lighting conditions. This sunburst effect complements the deep, three-dimensional stamping of the Grande Tapisserie texture.
Q: Does the Caliber 3120 clone have the correct beat rate?
A: Yes, this specific clone architecture operates at 28,800 vibrations per hour (4Hz). This provides a smooth sweep for the seconds hand, unlike older Miyota 9015-based versions that operated at lower frequencies or exhibited noticeable stutter.
Q: Is the rotor noise noticeable on this ZF movement?
A: Like many clone movements utilizing heavy 22K gold-plated automatic winding rotors, the Caliber 3120 can produce a faint whirring sound in completely silent environments. A light application of Moebius 9010 oil to the rotor bearings by a qualified watchsmith can significantly mitigate this acoustic quirk.
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