3K Factory (3KF) Edition — Integrated Stainless Steel Bracelet
The 3K Factory (3KF) iteration of the Nautilus 5711/1A-010 stands as a benchmark in horological replication, primarily due to its dimensional accuracy. By developing a true integrated movement rather than relying on modified base calibers, 3KF achieves the highly coveted 8.4mm case thickness, matching genuine proportions. This V5 batch specifically addresses previous dial color anomalies, delivering a highly accurate dark blue-black gradient that shifts correctly under direct light.
Powered by the proprietary SC324 integrated caliber, this model mirrors the architecture of the genuine Patek Philippe movement. Unlike the Miyota-based alternatives from rival factories, the 3KF SC324 features a correct free-sprung balance with a blackened gunmetal balance wheel and precise perlage côtes de Genève finishing. As per the traditional 324 caliber, it utilizes a non-hacking seconds hand and delivers approximately 38 – 45 hours of power reserve.
The 40mm case is machined from 316L stainless steel, exhibiting the correct alternating brushed and polished bevels along the iconic porthole bezel. The dial features the signature horizontal embossed relief in a pure dark blue tone, avoiding the purple hue found in earlier iterations. Rhodium-plated hour markers are filled with Swiss Super-LumiNova for consistent low-light visibility.
- Movement: 3KF Custom SC324 Integrated Caliber — Approximately 38 – 45 hours
- Case Material: 316L Stainless Steel, 40mm diameter, 47.5mm lug-to-lug, 122g weight
- Bezel: 316L Stainless Steel, accurate octagonal geometry with polished chamfers
- Crystal: Flat Sapphire with double-sided anti-reflective coating
- Bracelet: Integrated 316L steel, brushed finish with polished center link bevels, fold-over clasp
- Water Resistance: Physical daily waterproof rating — professional pressure test recommended before swimming. Do not operate chronograph pushers or the crown while the watch is submerged.
This piece is tailored for the collector who prioritizes mechanical accuracy and case thinness above all else. Its refined profile slips seamlessly under a dress cuff, making it a versatile choice for both formal and casual environments.

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