BV Factory Bvlgari Octo Finissimo 40mm Micro-Rotor Watch
The BV Factory Bvlgari Octo Finissimo is a 40mm ultra-thin automatic watch built around the distinctive geometric architecture of the Octo collection.
With a supplied case thickness of just 7mm, this configuration emphasizes a substantially slimmer profile than conventional automatic watches.
The watch uses a custom micro-rotor mechanical movement, while sapphire crystals are fitted to both the front and rear. The case and bracelet use 316 stainless steel with contrasting surface treatments.
Three dial configurations are available: satin silver, polished black lacquer and sunburst blue.
40mm Octo Finissimo Case
The BV Factory Octo Finissimo features a 40mm case diameter.
Its architecture combines the recognizable angular geometry of the Octo collection with a significantly thinner overall construction.
The supplied dimensions are:
Case Diameter: 40mm
Case Thickness: 7mm
The combination of a 40mm diameter and 7mm thickness is one of the most important technical characteristics of this configuration.
7mm Ultra-Thin Profile
At a supplied thickness of 7mm, the case is designed around a low-profile mechanical architecture.
Thickness has a significant influence on how a watch sits on the wrist. A thinner case reduces vertical height while allowing the broader geometric surfaces of the Octo design to remain visually prominent.
This makes the 7mm measurement more important to the technical identity of this model than generic descriptions concerning luxury or craftsmanship.
316 Stainless Steel Case
The case is constructed from 316 stainless steel.
Its supplied finishing combines satin-polished surfaces with rhodium-tone and sandblasted treatment, producing different textures across the geometric case architecture.
The Octo design contains numerous transitions between flat surfaces, edges and angular sections.
These defined surfaces should be protected from aggressive refinishing because excessive polishing can gradually soften the original geometric transitions.
Custom Micro-Rotor Mechanical Movement
The watch uses a custom micro-rotor mechanical movement.
Unlike a conventional full-size automatic rotor that occupies a large portion of the movement diameter, a micro-rotor uses a smaller winding mass integrated more compactly into the movement architecture.
This type of construction is particularly relevant to an ultra-thin watch because reducing the vertical space occupied by the automatic winding system can contribute to a slimmer overall movement and case architecture.
The supplied information does not provide a specific caliber number, movement manufacturer, frequency or measured power reserve, so these specifications are not estimated.
Micro-Rotor Architecture
The micro-rotor is one of the most technically interesting elements of this BV Factory Octo Finissimo configuration.
A conventional central automatic rotor normally rotates above a significant portion of the movement. A micro-rotor uses a smaller oscillating weight arranged within a more compact area of the movement.
For this model, the movement should therefore be documented as a custom micro-rotor automatic mechanical movement, without claiming that it is an original Bvlgari manufacture caliber.
Actual winding efficiency, accuracy and power reserve should be evaluated through individual testing rather than inferred from the movement architecture.
Front Sapphire Crystal
The dial is protected by a sapphire crystal.
Sapphire provides high resistance to normal surface scratching and allows the thin case architecture and dial to remain clearly visible.
No specific anti-reflective coating was supplied, so AR treatment is not assumed.
Sapphire Exhibition Caseback
The rear of the watch also incorporates a sapphire crystal, creating a front-and-rear sapphire configuration.
The transparent caseback allows the custom mechanical movement and its micro-rotor architecture to remain visible from the rear.
This is particularly relevant for this model because the movement construction forms an important part of the technical identity of the watch.
Three Dial Configurations
The supplied configurations include three distinct dial finishes:
Satin Silver — a restrained metallic surface with a softer reflective character.
Polished Black Lacquer — a darker and more reflective dial treatment.
Sunburst Blue — a radial surface pattern that changes in appearance according to lighting direction.
These dial options can remain variations within the same product page rather than being separated into multiple nearly identical SEO pages unless their references or other technical specifications differ.
316 Stainless Steel Bracelet
The bracelet is constructed from 316 stainless steel.
Its supplied finishing combines satin and polished surfaces, creating visual contrast between adjacent bracelet components.
This surface treatment complements the multi-faceted geometric construction of the case.
Care should be taken during refinishing because excessive polishing can alter the distinction between satin and polished surfaces.
Ceramic-Set Crown
The crown is constructed from stainless steel and incorporates a ceramic insert.
The contrast between steel and ceramic provides another material detail within the otherwise predominantly metallic exterior architecture.
The crown should always be operated gently. If unusual resistance is encountered during winding or time adjustment, it should not be forced.
Product Specifications
Item Specification
Factory BV Factory
Brand Bvlgari
Collection Octo Finissimo
Case Diameter 40mm
Case Thickness 7mm
Case Material 316 Stainless Steel
Case Finish Satin / Polished / Sandblasted
Surface Detail Rhodium-Tone Treatment
Movement Custom Micro-Rotor
Movement Type Automatic Mechanical
Front Crystal Sapphire
Rear Crystal Sapphire
Dial Option 1 Satin Silver
Dial Option 2 Polished Black Lacquer
Dial Option 3 Sunburst Blue
Bracelet 316 Stainless Steel
Bracelet Finish Satin / Polished
Crown Stainless Steel
Crown Insert Ceramic
Style Ultra-Thin Automatic Watch
Ultra-Thin Case Architecture
The 7mm case thickness is the defining physical specification of this BV Factory Octo Finissimo.
Achieving a thin mechanical-watch profile requires the case, movement and exterior components to work within a limited vertical space.
The custom micro-rotor movement is therefore particularly relevant to this configuration because its winding architecture is more compact than a conventional full-size central rotor arrangement.
For future QC testing, actual thickness should be measured with calipers to compare the individual watch against the supplied 7mm specification.
Octo Finissimo Geometric Design
The Octo Finissimo retains the angular geometric language associated with the broader Octo collection while adapting it to a thinner case.
The architecture combines multiple flat surfaces, angular transitions and a comparatively broad 40mm footprint.
This creates an interesting contrast: the watch can appear visually substantial when viewed from above while remaining comparatively slim when viewed from the side.
For this reason, both diameter and thickness should always be included when documenting this model.
Silver, Black and Blue Dial Variations
The three dial finishes change the visual character without changing the core technical architecture.
The satin silver dial emphasizes metallic texture.
The polished black lacquer dial provides stronger contrast against the steel case.
The sunburst blue dial uses a radial pattern that responds more visibly to changing light.
Unless separate reference numbers or structural differences are confirmed, these should remain variations of the same BV Factory Octo Finissimo page to avoid unnecessary near-duplicate content.
Octo Finissimo vs Octo Solotempo
This model should remain completely separate from the previously documented BV Factory Octo Solotempo 101963 / BGOP41BGLD.
The Octo Solotempo configuration measures 41 × 10mm and uses a modified 9015 automatic movement.
This Octo Finissimo measures 40 × 7mm and uses a custom micro-rotor mechanical movement.
The Finissimo also incorporates front and rear sapphire crystals, making the movement architecture visible through the exhibition caseback.
These are meaningful structural differences and provide enough technical differentiation for independent database pages.
QC Inspection Priorities
For this model, QC should focus particularly on the thin case architecture and geometric surface finishing.
The 40mm diameter and 7mm thickness can be checked with measurement tools, while the case edges and transitions between satin, polished and sandblasted surfaces should be inspected under directional lighting.
The front and rear sapphire crystals should be checked for scratches, chips and installation irregularities.
Movement QC should record daily rate, amplitude and beat error where possible.
The micro-rotor should also be observed during movement inspection to confirm normal winding motion without abnormal resistance or noise.
Wearing and Care Advice
The 40 × 7mm dimensions create a low-profile configuration despite the broad geometric shape of the Octo case.
Protect the watch from strong magnetic fields and substantial impacts.
Avoid aggressive polishing because the Octo Finissimo relies heavily on clearly defined geometric edges and contrasting surface finishes.
Use a clean microfiber cloth for the sapphire crystals and exterior surfaces.
No water-resistance figure or pressure-test result was supplied for this configuration. Water resistance should therefore not be assumed, and professional pressure testing is recommended before intentional water exposure.
Frequently Asked Questions
What size is the BV Factory Octo Finissimo?
The supplied dimensions are 40mm in diameter and 7mm thick.
What movement does it use?
It uses a custom micro-rotor automatic mechanical movement.
What is a micro-rotor movement?
A micro-rotor uses a smaller automatic winding mass integrated into a more compact area of the movement architecture rather than a conventional full-size central rotor.
Does it have a sapphire caseback?
Yes. The supplied configuration uses sapphire crystals on both the front and rear.
What dial colors are available?
The supplied options are satin silver, polished black lacquer and sunburst blue.
Is the watch water resistant?
No specific water-resistance rating was supplied in this material, so a depth rating should not be assumed. Individual pressure testing is recommended before intentional water exposure.
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