ANT Factory Vacheron Constantin Fiftysix Tourbillon 6000E/000R-B488 41mm Rose Gold Leather Strap Arabic Numerals Silver Dial

ANT Factory Vacheron Constantin Fiftysix Tourbillon 6000E/000R-B488

The ANT Factory Vacheron Constantin Fiftysix Tourbillon reference 6000E/000R-B488 is a 41mm manually wound tourbillon watch featuring a free-sprung regulating architecture, a tourbillon positioned at 6 o’clock, and a supplied power reserve of more than 72 hours.

The case measures 41mm in diameter and 11.5mm in thickness, while sapphire crystal is used for the watch glass.

One of the most distinctive mechanical elements is the tourbillon assembly itself, where the Maltese Cross-inspired cage and bridge structure create a prominent visual focal point at the lower section of the dial.

41mm Case

The ANT Fiftysix Tourbillon measures:

Diameter: 41mm
Thickness: 11.5mm

These dimensions provide an important reference for the overall proportions of the watch.

A 41mm diameter provides sufficient space for the exposed tourbillon at 6 o’clock, while the 11.5mm thickness accommodates the manually wound movement and tourbillon assembly.

For a complicated mechanical configuration, case thickness is particularly useful when comparing different factory versions because movement construction can directly affect the final case profile.

Manual-Winding Tourbillon Movement

The ANT version uses a manually wound mechanical tourbillon movement.

Unlike an automatic movement, there is no reliance on a winding rotor to replenish the mainspring during normal wrist movement.

Energy is instead supplied manually through the crown.

This architecture also allows the movement presentation to focus more directly on the gear train, bridges, winding system, and tourbillon mechanism.

Free-Sprung Tourbillon Architecture

The supplied ANT specification identifies this version as using a free-sprung regulating architecture.

A free-sprung balance differs from a conventional regulator-equipped system because it does not rely on a traditional regulator index to alter the effective hairspring length.

Instead, regulation is carried out through the balance assembly.

This structural difference should not automatically be interpreted as meaning that every free-sprung tourbillon will keep better time than every regulated movement.

Actual performance still depends on regulation, amplitude, beat error, assembly, lubrication, and the condition of the individual movement.

Tourbillon at 6 O’Clock

The tourbillon is positioned prominently at 6 o’clock.

Rather than hiding the regulating assembly beneath the dial, the open construction allows the rotating cage and surrounding mechanical components to remain visible during operation.

The movement of the tourbillon therefore forms an important part of both the mechanical architecture and the visual design of the watch.

Maltese Cross Tourbillon Cage

One of the most recognizable details of the tourbillon assembly is its Maltese Cross-inspired structure.

The geometric cage provides a visual reference to the design language associated with Vacheron Constantin while simultaneously forming part of the exposed mechanical assembly.

This detail is particularly suitable for macro photography because the geometry, edges, surface finishing, and relationship between the cage and bridge can be examined directly.

Tourbillon Bridge Finishing

The bridge positioned across the tourbillon receives decorative finishing and edge treatment.

The original supplied material states that the cage and bridge undergo extensive hand finishing and beveling.

Without direct documentation of the production process, however, it is more accurate to describe the visible finishing characteristics rather than assign a specific number of hand-finishing hours.

Close-up photography of the bridge edges and polished surfaces provides a more useful way to document the actual finishing of an individual watch.

72+ Hour Power Reserve

ANT specifies the manually wound movement with a power reserve of:

More than 72 hours

This provides approximately three days or more of theoretical running time from a fully wound state.

For technical documentation, this should be treated as the supplied movement specification until an individual watch has undergone a complete power-reserve test.

An actual test can be performed by fully winding the movement, recording the starting time, and measuring the elapsed period until the watch stops.

Manual Winding

Because this is a manual mechanical movement, the watch requires periodic winding through the crown.

The crown should be turned gradually and without excessive force.

As the mainspring approaches its fully wound state, resistance will normally increase. The crown should not be forced beyond this point.

This is particularly important for a manually wound tourbillon because unnecessary force can place additional stress on the winding components.

Sapphire Crystal

The supplied configuration uses a sapphire crystal.

Sapphire provides a hard and transparent viewing surface over the dial, allowing the exposed tourbillon and surrounding details to remain clearly visible.

No specific anti-reflective coating specification has been provided, so additional coating claims are not included.

Luminous Display

The supplied ANT configuration also incorporates luminous material for low-light visibility.

Rather than assigning a fixed brightness or duration, which can vary depending on charging conditions and production batch, it is more accurate to document the presence and visual appearance of the luminous material.

Folding Pin-Buckle Configuration

The supplied version uses a folding-style buckle configuration.

This combines the secure closure of a folding mechanism with the strap arrangement supplied for this ANT version.

No specific buckle material has been provided, so the material is not independently assigned in this article.

Technical Specifications

Specification Details
Factory ANT Factory
Brand Vacheron Constantin
Collection Fiftysix
Reference 6000E/000R-B488
Case Diameter 41mm
Case Thickness 11.5mm
Movement Manual Tourbillon
Winding Manual
Balance Architecture Free-Sprung
Tourbillon Position 6 o’clock
Tourbillon Design Maltese Cross-Inspired Cage
Power Reserve 72+ Hours – Supplied Specification
Crystal Sapphire
Luminous Material Yes
Buckle Folding-Style Configuration

41mm × 11.5mm Proportions

The combination of 41mm diameter and 11.5mm thickness is one of the most useful measurable characteristics of this ANT version.

Diameter determines the overall footprint of the watch on the wrist, while thickness reflects the vertical space required by the case and movement.

For a tourbillon watch, these measurements are particularly relevant because different movement architectures can result in noticeably different case proportions.

Tourbillon vs. Conventional Mechanical Movement

The main mechanical distinction is the construction of the regulating assembly.

In a conventional mechanical movement, the escapement and regulating components normally operate from a fixed position.

In a tourbillon, these components are housed within a rotating cage.

On this ANT version, that mechanism is displayed openly at 6 o’clock, making the rotating regulating assembly one of the most visible mechanical components of the watch.

Free-Sprung vs. Regulated Tourbillon

The free-sprung architecture is another important technical characteristic.

A conventional regulator-equipped movement normally adjusts rate through a regulator mechanism associated with the hairspring.

A free-sprung system instead performs regulation through the balance assembly itself.

Neither architecture should be judged solely by its name. For an individual watch, measurements such as daily rate, amplitude, beat error, and positional consistency provide more meaningful information about actual movement performance.

Power Reserve as a Measurable Specification

The supplied 72+ hour power reserve is valuable because it can be independently tested.

Rather than relying only on the factory specification, an individual example can be fully wound and monitored until the movement stops.

This makes power reserve a useful future QC data point for this model.

If a tested example exceeds 72 hours, the actual result can then be documented separately from the factory specification.

ANT Version Characteristics

The principal supplied identifiers of this ANT configuration are:

Reference 6000E/000R-B488
41mm case diameter
11.5mm case thickness
Manual-winding tourbillon
Free-sprung regulating architecture
6 o’clock tourbillon
Maltese Cross-inspired cage
72+ hour supplied power reserve
Sapphire crystal

These are stronger technical comparison points than subjective terms such as “best version,” “1:1,” or “market breakthrough.”

Wearing and Care

At 41 × 11.5mm, the watch combines a contemporary case diameter with a relatively controlled profile for its tourbillon construction.

Because the movement is manually wound, winding should be performed slowly and stopped when clear resistance is reached.

The exposed tourbillon assembly contains small moving components, so strong impacts should be avoided.

Powerful magnetic fields should also be avoided.

No verified water-resistance rating was supplied for this configuration, so intentional water exposure should be avoided unless the individual watch has passed an appropriate pressure test.

Frequently Asked Questions

What is the reference of this ANT Fiftysix Tourbillon?
The supplied reference is 6000E/000R-B488.

What is the case size?
The watch measures 41mm in diameter and 11.5mm in thickness.

What type of movement does it use?
It uses a manually wound mechanical tourbillon movement.

Is this an automatic tourbillon?
No. This configuration uses manual winding rather than an automatic winding rotor.

Is the tourbillon functional?
Yes. The supplied configuration uses a functi

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