ABF Factory Franck Muller Vanguard Yachting V45 Watch
The ABF Factory Franck Muller Vanguard Yachting V45 is a large-format automatic watch built around a 44 × 54mm curved case architecture.
This configuration combines a 316 stainless steel sandwich-style case with distinctive blue side-channel detailing, a strongly curved sapphire crystal, a blue Yachting dial and a 2824 automatic mechanical movement running at 28,800 vibrations per hour.
The case and strap are shaped to follow the wrist more closely than a conventional flat watch architecture.
44 × 54mm Case Dimensions
The supplied case dimensions are:
Width: 44mm
Length: 54mm
These dimensions give the Vanguard V45 a noticeably larger footprint than conventional round watches.
Because of the elongated tonneau-style case, wrist presence depends not only on width but also on the full 54mm case length and curvature.
No confirmed case thickness or total weight was supplied, so those figures are not estimated.
Curved Vanguard Case Architecture
The Vanguard V45 uses a strongly curved case profile designed to follow the contour of the wrist.
Rather than using a flat mid-case, the structure bends along the longitudinal axis of the watch.
This curvature is important both visually and ergonomically, especially given the relatively large 44 × 54mm dimensions.
The case architecture should therefore be evaluated from both the front and side rather than only by nominal diameter.
316 Stainless Steel Case
The case is constructed from 316 stainless steel.
The supplied structure uses a multi-part sandwich-style construction, with contrasting blue side details incorporated into the central case area.
This provides visual separation between the upper and lower case components and gives the watch a more layered profile.
Aggressive refinishing should be avoided because excessive polishing can soften the defined transitions between the separate geometric surfaces.
Blue Side-Channel Detail
One of the more distinctive exterior characteristics is the blue side-channel structure running through the case.
This detail also extends visually toward the crown-side area, creating a contrast against the surrounding steel surfaces.
For QC inspection, alignment between the blue side sections and the main case should be checked carefully because uneven fit can be especially noticeable on a layered case architecture.
Blue Yachting Dial
This configuration uses a blue Vanguard Yachting dial.
The applied numerals are designed with recessed and filled detailing rather than appearing as simple flat printing.
This gives the dial a more dimensional appearance when viewed from different angles.
No exact lume compound, dial coating specification or applied-marker material was supplied, so these details are not assumed.
Applied Numeral Construction
The large Vanguard numerals are one of the defining elements of the dial.
The supplied description indicates that the numerals use a recessed edge structure with filled detailing.
This adds depth to the dial and creates more separation between the numerals and background surface.
For QC, the consistency of the numeral spacing, filling and alignment should be inspected under magnification.
Date Magnification System
The watch incorporates a magnification element over the date display.
A sapphire magnifier is used over the date window, while an additional internal magnification layer is positioned beneath the dial structure.
This layered optical system is intended to improve date readability.
Because the exact magnification factor was not supplied, no numerical enlargement claim is added.
Strongly Curved Sapphire Crystal
The watch uses a highly curved sapphire crystal shaped to follow the geometry of the Vanguard case.
A curved crystal requires more complex shaping than a flat crystal because the surface must align with the contour of the surrounding case.
This also affects reflections and viewing angles across the dial.
The supplied information does not provide a confirmed anti-reflective coating specification, so AR treatment is not added.
2824 Automatic Movement
The watch uses an ETA 2824 automatic mechanical movement configuration.
The supplied beat frequency is 28,800 vibrations per hour, equivalent to 4Hz.
This movement provides automatic winding during regular wear and can also be manually wound if the watch has stopped after remaining unused.
No measured power reserve, amplitude, beat error or daily-rate data were supplied.
28,800 vph Frequency
The supplied 2824 configuration operates at:
28,800 vph
4Hz
A higher beat frequency produces eight semi-oscillations per second at the balance and contributes to the characteristic movement of the seconds hand.
Actual accuracy still depends on regulation, movement condition, power level and positional variation.
For QC documentation, daily rate, amplitude and beat error should be recorded separately from the nominal frequency.
Curved Hand Profile
The hands are shaped to follow the curvature of the dial and crystal architecture.
This helps maintain appropriate clearance between the hands, dial surface and curved crystal.
For QC inspection, the hand stack should be observed through a full 12-hour rotation to confirm that the hands do not touch one another, the dial or the crystal.
Rubber Strap
The watch is fitted with a rubber strap designed to follow the curved case profile.
The supplied version uses an upgraded softer rubber compound intended to improve comfort and flexibility.
Because exact material composition was not supplied, the strap is documented simply as a high-grade rubber strap rather than making a specific proprietary-material claim.
Curved Wrist Fit
The interaction between the curved case and flexible rubber strap is particularly important on this model.
Although the 44 × 54mm dimensions are large, the longitudinal curvature helps the case wrap around the wrist more naturally than a flat case of similar length.
Actual fit will still depend on wrist circumference and shape.
For future QC documentation, the complete case thickness and strap-adjustment range would be useful additions.
Two Clasp Configurations
Two clasp configurations are supplied depending on the version.
The decorative stone-set configuration uses a stone-set pin buckle, while the non-stone-set version uses a folding push-button clasp.
These differences should remain variations within the same model page unless the watches have separate references or additional structural differences.
Decorative Stone-Set Buckle
The stone-set version uses a pin buckle decorated with multiple stones.
Unless the stone material is independently confirmed, it is better to describe these as decorative stones rather than diamonds.
QC should focus on stone alignment, secure setting and buckle operation.
Folding Push-Button Clasp
The standard non-stone-set configuration uses a folding push-button clasp.
This provides a different wearing and fastening system from the pin-buckle version.
The clasp should be checked for secure locking, smooth release and proper alignment with the rubber strap.
Product Specifications
Item Specification
Factory ABF Factory
Brand Franck Muller
Collection Vanguard Yachting
Model V45
Case Width 44mm
Case Length 54mm
Case Material 316 Stainless Steel
Case Construction Sandwich-Style
Case Profile Curved
Side Detail Blue Channel
Dial Blue Yachting
Movement ETA 2824 Automatic
Frequency 28,800 vph / 4Hz
Crystal Curved Sapphire
Date Magnified
Date Magnifier Sapphire
Strap Rubber
Clasp Option 1 Folding Push-Button
Clasp Option 2 Decorative Stone-Set Pin Buckle
Style Automatic Sports Watch
Sandwich-Style Case Construction
The multi-part case architecture is one of the strongest technical characteristics of the ABF Vanguard V45.
Instead of using a visually simple single-piece exterior, the case uses separate structural layers with blue detailing through the middle section.
This gives the Vanguard a more complex side profile and makes assembly alignment particularly important.
For QC, the gaps between case components should appear consistent across both sides of the watch.
Sapphire and Date Optics
The combination of the curved sapphire crystal and date magnification system is another key technical area.
The crystal curvature influences reflections and viewing angles, while the date magnifier changes how the calendar aperture appears through the crystal.
Any misalignment in the date magnifier is easy to notice, so its position should be checked directly from the front during QC.
V45 QC Inspection Priorities
For this model, QC should focus on:
* 44 × 54mm physical dimensions
* curved case alignment
* blue side-channel fit
* numeral alignment and filling
* curved sapphire installation
* date magnifier alignment
* hand clearance
* 2824 movement timegrapher data
* rubber strap fit
* clasp operation
The large curved architecture means even small alignment issues can become visually noticeable.
Wearing and Care Advice
Protect the 2824 automatic movement from strong magnetic fields and heavy impacts.
Avoid forcing the crown or date adjustment if resistance is encountered.
Use a soft microfiber cloth for routine cleaning of the sapphire crystal and steel case.
Avoid aggressive polishing around the layered case surfaces because this can soften the defined edges between components.
The curved sapphire should be protected from concentrated impacts despite its high scratch resistance.
No water-resistance figure was supplied, so a depth rating should not be assumed. Professional pressure testing is recommended before intentional water exposure.
Frequently Asked Questions
What size is the ABF Vanguard Yachting V45?
The supplied dimensions are 44mm wide and 54mm long.
What movement does it use?
It uses an ETA 2824 automatic mechanical movement operating at 28,800 vph.
What crystal is fitted?
The supplied configuration uses a strongly curved sapphire crystal.
Does the watch have a date magnifier?
Yes. The date display incorporates a sapphire magnification element and additional internal magnification structure.
What strap does it use?
It uses a curved rubber strap designed to follow the Vanguard case profile.
Are the buckle stones diamonds?
The stone material was not independently confirmed, so the decorated version should be described as using decorative stones rather than confirmed diamonds.
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