BV Factory Cartier Santos Large 39.8mm Technical Guide
The BV Factory Cartier Santos Large is a stainless-steel Santos configuration measuring approximately 39.8 × 47.5mm, with a stated thickness of 9.08mm.
The supplied configuration uses a Miyota 9015 automatic mechanical movement fitted with an 1847 MC-style rotor.
Other notable construction details include the Santos-style integrated bracelet design, SmartLink-style bracelet adjustment system, QuickSwitch-style strap removal system, blue-colored crown detail and treated crystal.
For technical documentation, these measurable and functional characteristics provide more useful information than general claims about visual similarity.
39.8 × 47.5 × 9.08mm Case
The supplied dimensions are:
Width: 39.8mm
Length: 47.5mm
Thickness: 9.08mm
Unlike a conventional round watch, the Santos case should not be described using width alone.
The 47.5mm vertical measurement also contributes significantly to how the watch occupies the wrist.
For an individual QC example, all three dimensions should be measured with a digital caliper rather than relying only on the stated specifications.
Complete weight should also be recorded.
316L Stainless-Steel Construction
The supplied information identifies 316L stainless steel as the case material.
The Santos design combines multiple flat surfaces, curved transitions and exposed screw details, making surface finishing particularly visible.
Useful macro inspection areas include:
- Bezel
- Case edges
- Case sides
- Lug transitions
- Bracelet links
- Exposed screws
- Clasp
Brushed and polished areas should be photographed from several angles because directional lighting can reveal finishing transitions that are difficult to see in a straight-on photograph.
Santos Case Geometry
The Santos uses a rounded-square case architecture rather than the conventional circular construction found on most mechanical watches.
The bezel follows this geometry and is visually integrated with the exposed screw design.
Because of this structure, alignment is particularly noticeable.
A straight front photograph is useful for examining the relationship between:
Dial → Bezel → Case → Bracelet
while angled photographs provide better documentation of case curvature and thickness.
Dial and Hands
The supplied configuration uses the familiar Santos-style dial layout together with blue-colored hands.
The original information describes these as produced using a heat-blueing process.
Unless the manufacturing method is independently established for the specific example, the more neutral database description is:
Blue-Colored Steel Hands
Useful QC inspection points include hand alignment, surface finish, dial printing and hand clearance.
Because blue-colored hands can change appearance dramatically under different lighting angles, neutral lighting is preferable for technical photography.
Crown and Blue Cabochon-Style Detail
The crown uses a multi-faceted blue decorative element characteristic of the Santos design language.
Useful macro photographs should document:
- Crown profile
- Blue insert
- Crown-to-case fit
- Surface finishing
- Alignment
The crown should also be tested during manual winding and time setting.
Mechanical operation should be recorded separately from visual appearance.
Miyota 9015 Automatic Movement
This BV Santos configuration uses a Miyota 9015 automatic mechanical movement as its underlying movement architecture.
This is an important distinction for the technical database because the movement should not be identified as a genuine Cartier 1847 MC caliber.
The more accurate classification is:
Miyota 9015 Base Movement + 1847 MC-Style Rotor
This clearly separates the functional base caliber from the cosmetic movement elements.
1847 MC-Style Automatic Rotor
The supplied configuration uses an automatic rotor designed to reproduce the visual appearance associated with the 1847 MC.
However, changing the appearance of the rotor does not change the underlying caliber architecture.
Therefore, for technical documentation:
Movement: Miyota 9015
Rotor: 1847 MC-Style
is considerably more informative than simply calling the movement an “1847 MC.”
This distinction will also make future movement comparisons on your website more reliable.
Movement Testing
Because the underlying movement is mechanical and automatic, an individual example can be tested with a timegrapher.
Useful measurements include:
Daily Rate → Amplitude → Beat Error → Beat Rate
Functional testing should also include:
Manual Winding → Crown Operation → Time Setting → Automatic Winding
Actual power reserve can be measured separately by fully winding the movement and recording its total running duration.
SmartLink-Style Bracelet System
One of the useful functional characteristics of the Santos bracelet is its SmartLink-style link adjustment system.
The purpose of this system is to simplify bracelet sizing by allowing individual link components to be manipulated without relying entirely on conventional bracelet tools.
For QC, this should be tested mechanically rather than judged only from photographs.
Useful checks include:
- Link release
- Pin operation
- Link reinstallation
- Security after installation
- Bracelet articulation
After resizing, each adjusted link should be checked to make sure it is correctly secured.
QuickSwitch-Style Strap System
The supplied configuration also includes a QuickSwitch-style strap removal mechanism.
This allows the bracelet or compatible strap to be detached from the case using the integrated release mechanism.
A short video is especially useful for documenting this feature.
QC should examine:
Release → Removal → Reinstallation → Locking
After reinstalling the bracelet or strap, gentle tension can confirm that both sides have engaged correctly.
Why SmartLink and QuickSwitch Should Be Recorded Separately
Although the two systems are often mentioned together, they perform different functions.
SmartLink relates to bracelet link adjustment.
QuickSwitch relates to removing and installing the complete bracelet or strap at the case.
Separating these two systems in the technical database makes the information much clearer for readers comparing different Santos versions.
Treated Crystal
The supplied information describes the crystal as having an anti-reflective treatment together with additional surface treatment intended to reduce visible fingerprints.
These are best recorded as supplied specifications rather than absolute performance claims.
For QC photography, reflections can be compared at several viewing angles.
This provides actual visual evidence of how the crystal behaves rather than relying solely on coating terminology.
Water Resistance: Stated 10 Bar
The supplied specification lists:
10 bar / approximately 100 meters
This should not automatically be interpreted as the tested water resistance of an individual BV Factory watch.
For a technical database, the correct distinction is:
Supplied specification: 10 bar
Individual QC pressure test: record separately if performed
Without a pressure test on the actual watch, immersion or swimming should not be recommended solely on the basis of the stated specification.
Super Clone Watch and BV Santos Technical Data
The term super clone watch is commonly used within the replica-watch market, but it does not define a standardized movement, material or QC specification.
For the BV Factory Santos Large, more useful information comes from recording its actual construction: 39.8 × 47.5 × 9.08mm stated dimensions, 316L steel case, Miyota 9015 base movement, 1847 MC-style rotor, SmartLink-style bracelet adjustment and QuickSwitch-style strap system.
For actual measurements and movement results from an individual watch, see our BV Factory Cartier Santos Large QC Test.
Details Worth Checking
For an individual BV Santos Large, first measure the actual width, length, thickness and complete weight.
The dial, blue-colored hands, bezel screws and crown can then be photographed under neutral lighting.
The SmartLink and QuickSwitch mechanisms should each进行独立功能测试，并最好通过视频记录。
For the Miyota 9015 movement, record daily rate, amplitude, beat error and beat rate, followed by winding and time-setting tests.
If water resistance is important, an appropriate pressure test should be performed on the individual watch rather than relying on the stated 10-bar specification.
Technical Specifications
Specification Details
Factory BV Factory
Collection Cartier Santos
Size Large
Case Width Approx. 39.8mm
Case Length Approx. 47.5mm
Stated Thickness Approx. 9.08mm
Case Material 316L Stainless Steel
Movement Miyota 9015 Automatic
Rotor 1847 MC-Style
Hands Blue-Colored
Crown Multi-Faceted Blue Cabochon-Style
Bracelet Stainless Steel
Link Adjustment SmartLink-Style System
Strap Removal QuickSwitch-Style System
Crystal Treated Crystal
Stated Water Resistance 10 Bar / Approx. 100m
Actual Weight Recommended to Measure Individually
FAQ
- What size is the BV Factory Cartier Santos Large?
The supplied dimensions are approximately 39.8 × 47.5 × 9.08mm. Actual dimensions can be confirmed during individual QC.
- What movement does the BV Santos use?
This configuration uses a Miyota 9015 automatic mechanical movement.
- Is the movement a Cartier 1847 MC?
No. Based on the supplied configuration, the underlying movement is a Miyota 9015 fitted with an 1847 MC-style automatic rotor. These should be recorded separately.
- What is the difference between SmartLink and QuickSwitch?
SmartLink is used for bracelet link adjustment, while QuickSwitch is used to remove or reinstall the complete bracelet or strap at the case.
- Is the BV Santos waterproof to 100 meters?
The supplied specification states 10 bar / approximately 100m, but an individual watch should undergo a pressure test before that rating is treated as verified water resistance.
- What should be checked during QC?
Useful checks include actual dimensions, weight, daily rate, amplitude, beat error, beat rate, dial and hand alignment, crown operation, SmartLink function, QuickSwitch locking, bracelet fit and clasp operation.
