UMI Factory Patek Philippe Nautilus 5712R-001 – 126g Full-Weight Edition | Super Clone Cal. 240 PS IRM C LU

The UMI Factory Patek Philippe Nautilus 5712R-001 introduces an exceptional full-weight replica featuring a premium rose gold-wrapped case, genuine American alligator leather strap and an advanced integrated Super Clone movement.

With a total weight of 126g and an ultra-thin 8.7mm case thickness, this edition is designed to closely reproduce the proportions and luxurious feel of the original Patek Philippe Nautilus 5712R.

Powered by the Integrated Super Clone Cal. 240 PS IRM C LU, the watch offers fully functional moonphase, date, power reserve and small seconds complications.

Technical Specifications

• Factory: UMI Factory

• Model: Patek Philippe Nautilus 5712R-001

• Case Thickness: 8.7mm

• Total Weight: Approximately 126g, including leather strap and folding clasp

• Movement: Integrated Super Clone Cal. 240 PS IRM C LU Automatic

• Movement Components: Approximately 265 Parts

• Frequency: 21,600 vph

• Functions: Hours, Minutes, Small Seconds, Date, Moonphase and Power Reserve Indicator

• Case: High-Density Copper-Free Tungsten Alloy with Premium Rose Gold Wrapping

• Case Construction: One-Piece CNC-Machined Upper Case, Approximately 33g

• Crystal: Scratch-Resistant Sapphire Crystal

• Dial: Gradient Grey-to-Black Horizontal Embossed Dial

• Bezel: Brushed and Polished Rose Gold-Wrapped Bezel

• Moonphase: Custom Sapphire Moonphase Disc with Gold-Tone Details

• Strap: Genuine American Alligator Leather

• Clasp: Rose Gold-Wrapped Butterfly Folding Clasp

• Caseback: Sapphire Exhibition Caseback

• Protective Finish: Nickel Undercoating and Swiss-Style PVD Protective Coating

126g Full-Weight Construction – Ultra-Thin 8.7mm Case

The outstanding achievement of the UMI Nautilus 5712R-001 is its 126g full-weight construction without increasing the original case thickness.

Unlike conventional weighted replicas that rely on thicker cases or artificially weighted straps, UMI uses a specially developed copper-free tungsten alloy to achieve substantial weight while maintaining the elegant proportions of the original design.

The most challenging component is the one-piece CNC-machined upper case, weighing approximately 33g on its own.

Manufacturing this component requires advanced five-axis CNC machining, followed by extensive manual polishing and precision adjustment.

According to UMI, the exceptionally hard material results in a production rejection rate of approximately 80%, making successful finished cases relatively rare.

This sophisticated construction allows the watch to retain its ultra-thin 8.7mm profile while achieving the manufacturer's stated 126g total weight.

Advanced Copper-Free Tungsten Alloy & Rose Gold Wrapping

UMI has developed a proprietary copper-free tungsten alloy to address the oxidation and surface-peeling problems sometimes associated with conventional tungsten-copper weighted cases.

Unlike steel-clad weighted constructions, this case does not rely on an external stainless steel shell.

The manufacturing process begins with a protective nickel undercoating, designed to help prevent oxidation and improve the durability of the surface finish.

UMI then applies a premium rose gold wrapping process, carefully covering the case surfaces, edges and recessed areas.

The rose gold color is specially formulated to closely reproduce the warm tone of the original Patek Philippe rose gold finish.

A final transparent Swiss-style PVD protective coating helps reduce wear on the gold-wrapped surfaces.

UMI advertises a three-year replacement guarantee against fading or peeling, subject to factory warranty conditions.

Integrated Super Clone Cal. 240 PS IRM C LU Movement

The Nautilus 5712R-001 is equipped with UMI's advanced Integrated Super Clone Cal. 240 PS IRM C LU automatic movement.

Designed to closely reproduce the original Patek Philippe caliber, this movement incorporates approximately 265 components and operates at 21,600 vibrations per hour.

Unlike conventional modified movements with decorative plates or imitation micro-rotors, UMI's integrated movement is designed around a functional mechanical architecture.

The movement provides a working moonphase display, date indication, small seconds, power reserve indicator and dual quick-adjustment correctors.

Additional refinements include an ultra-thin flat hairspring design and carefully finished movement components visible through the sapphire exhibition caseback.

Gradient Grey Dial & Sapphire Moonphase

The watch features a beautifully finished gradient grey dial with the signature Nautilus horizontal embossed pattern.

Under different lighting conditions, the dial transitions naturally from deep black around the edges to charcoal grey toward the center.

Rose gold-tone applied hour markers and luminous hands complement the luxurious appearance of the case.

The custom sapphire moonphase disc with gold-tone detailing adds depth and elegance, while the date scale, power reserve indicator and small seconds subdial preserve the distinctive asymmetric layout of the Nautilus 5712.

UMI has also refined the Nautilus case-side construction and incorporated a solid central hand pinion for improved visual accuracy.

Genuine American Alligator Leather Strap

The watch is fitted with a premium genuine American alligator leather strap, featuring a natural brown finish and carefully stitched edges.

The leather strap retains a conventional thickness rather than incorporating additional weighting materials.

A matching rose gold-wrapped butterfly folding clasp completes the elegant dress-watch design while providing a comfortable and secure fit.

Premium Full-Weight Nautilus Dress Watch

The UMI Factory Patek Philippe Nautilus 5712R-001 combines advanced weighted-case technology with refined traditional watchmaking aesthetics.

Its 126g full-weight construction, ultra-thin 8.7mm case, copper-free tungsten alloy, premium rose gold wrapping, genuine alligator leather strap and Integrated Super Clone Cal. 240 PS IRM C LU movement make it one of UMI Factory's most technically ambitious Nautilus replicas.

With its elegant gradient dial, functional moonphase complications and sophisticated finishing, this edition offers an exceptional interpretation of the iconic Nautilus 5712R.

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