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Description
ZF Factory Rolex Sky-Dweller 42mm M336934
A technically rigorous reproduction featuring a functional command bezel and integrated annual calendar mechanics.
Powered by Clone 9002 Caliber
The ZF clone 9002 movement represents a complex engineering effort, successfully linking the external fluted bezel to the internal winding and setting mechanisms. Unlike earlier decorative iterations, this caliber allows the user to select adjustment modes (month, local time, reference time) via the bezel position. The movement operates at a standard 28,800 vph, providing a smooth sweep for the seconds hand while maintaining the off-center 24-hour disc synchronization.
Standard regulation yields approximately 卤10��15 seconds per day. Due to the high complication module, amplitude may drop slightly when multiple functions engage near midnight.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Month via 12 apertures, dual time 24h disc, date display
- �� Winding Direction: Bidirectional rotor winding
�� Function Adjustment Notice
- Month (Red Disc): Adjusted by rotating the bezel.
- Dual Time + Date + Time: Adjusted via the crown.
- Visual result: All complications are present and fully adjustable.
Technical Specifications
The case measures a verified 14.1mm in thickness, balancing polished flanks with brushed lug hoods to accurately mirror the genuine profile.
Features a deep sunray finish with applied Chromalight indices. The 12 peripheral month apertures are cleanly cut, showing the red indicator crisply.
The fluted ring acts as the command interface. Plating ensures the correct yellowish-white reflection distinct from standard polished steel.
Constructed from solid 904L steel with polished center links. The folding clasp includes a functional 5mm Easylink extension mechanism.
Why ZF for This Reference?
Many collectors ask: ��Why not Sky Factory or JVS?��
ZF currently holds the edge in complication stability. While earlier factories struggled with the mechanical linkage between the bezel and the movement, ZF engineered a more robust gear train for the command bezel. Additionally, their 14.1mm case thickness is highly competitive for such a complex clone movement.
Full Disclosure: The tactile feedback of the command bezel rotation feels slightly lighter and less distinct than the genuine article.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | Sky-Dweller M336934-0005 |
| FACTORY / VERSION | ZF Edition |
| MOVEMENT | Clone 9002 Caliber |
| CASE MATERIAL | 904L Oystersteel |
| WEIGHT & THICKNESS | 164.5g | 14.1mm |
| CRYSTAL & LUME | Sapphire with Cyclops | Chromalight Blue |
| DIMENSIONS | 42mm � 50.5mm � 14.1mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 100m stated rating �� professional pressure test recommended before swimming |
Collector Q&A
Q: How does the month indicator work on this ZF clone?
A: It functions correctly via the rotating command bezel, moving the red marker across the 12 peripheral dial apertures just like the genuine caliber 9002.
Q: Does the off-center disc show true 24-hour dual time?
A: Yes, the 24-hour disc is fully functional and independently adjustable via the crown, allowing for accurate tracking of a second time zone.
Q: Is the fluted bezel solid white gold?
A: No, the ZF edition utilizes 904L Oystersteel with an 18K white gold plating to achieve the correct warm luster of the genuine reference M336934.
Q: What is a known quirk of the ZF Sky-Dweller 9002 clone movement?
A: The tactile feedback of the command bezel rotation feels slightly lighter and less distinct than genuine when selecting adjustment modes, and the power reserve is approximately 36 hours rather than the genuine 72 hours.