GF Factory Blancpain Fifty Fathoms Grey Ceramic Automatic Watch
The GF Factory Blancpain Fifty Fathoms combines a satin-finished grey ceramic case with a sports-oriented dive-watch design and an automatic mechanical movement.
This configuration uses a Hangzhou 7-Series automatic movement with Cal.1315-style bridge architecture, together with a date display, C3 luminous material and a matching satin-finished ceramic buckle.
The combination of grey ceramic construction, mechanical movement and luminous dial gives this Fifty Fathoms configuration a technical appearance while keeping the case and buckle visually consistent.
Satin Grey Ceramic Case
The watch features a satin-finished grey ceramic case.
Ceramic provides high surface hardness and strong resistance to everyday scratches while offering a distinctly different appearance from conventional stainless steel.
The satin treatment reduces excessive reflections and gives the grey surface a more subdued appearance under normal lighting.
Ceramic is highly resistant to surface scratches, but it is not impact-proof. Strong concentrated impacts against hard surfaces should be avoided because ceramic can chip or crack under sufficient force.
Ceramic Bezel Construction
The bezel is integrated with the ceramic case design and provides the watch with the functional appearance associated with the Fifty Fathoms collection.
Careful machining of the bezel teeth helps create defined edges while maintaining sufficient grip when the bezel is operated.
As with the case, the ceramic components offer strong resistance to everyday surface scratches but should still be protected from heavy impacts.
Hangzhou 7-Series Automatic Movement
The watch is powered by a Hangzhou 7-Series automatic mechanical movement.
This configuration incorporates bridge architecture styled after the visual layout associated with the Cal.1315 movement.
It is important to distinguish the underlying movement from the movement it visually references: the base mechanism is a Hangzhou 7-Series movement, rather than an original Blancpain Cal.1315.
Automatic winding allows normal wrist movement to replenish the movement’s stored energy during regular wear.
Mechanical accuracy can vary depending on movement regulation, power reserve, temperature, resting position and individual wearing habits.
Cal.1315-Style Bridge Architecture
The movement incorporates an integrated Cal.1315-style bridge layout designed to create a more cohesive visual appearance.
The bridges undergo surface finishing and edge treatment before assembly.
Beyond appearance, the bridge structure also covers and protects sections of the underlying movement mechanism.
Because the supplied information does not specify the exact movement reference or power reserve, these details are not assumed.
Date Display
The dial incorporates a date display as part of its everyday functionality.
The calendar should be adjusted gently, particularly when the mechanical movement is approaching its automatic date-change period.
Avoid forcing the crown or calendar mechanism if unusual resistance is encountered.
C3 Luminous Dial
The dial uses C3 luminous material on its relevant time-reading elements.
C3 is characterized by its bright appearance after sufficient exposure to a light source and is commonly used where strong low-light visibility is desired.
Actual luminous brightness and duration depend on how strongly and how long the luminous material has been charged by ambient or artificial light.
Rather than relying only on decorative elements, the luminous treatment supports practical time reading in reduced-light conditions.
Ceramic Buckle
The watch is fitted with a satin-finished ceramic buckle, maintaining material consistency with the grey ceramic case.
The buckle surfaces receive finishing on both the exterior and interior sections, while the pin incorporates shaped edge finishing.
Because ceramic is harder but more brittle than conventional stainless steel, care should be taken when opening, closing or placing the buckle against hard surfaces.
Ceramic Material Characteristics
Ceramic behaves differently from conventional stainless steel.
Its primary practical characteristics include:
* High surface hardness
* Strong resistance to everyday scratches
* Stable exterior appearance
* Smooth finished surface
* Resistance to conventional metal corrosion
However, high hardness does not mean the material is unbreakable.
A severe impact concentrated on the case edge, lug, bezel or buckle can damage ceramic components. For this reason, ceramic watches should be protected from drops and hard knocks.
Water-Resistance Testing
The supplied information states that the watch undergoes three-stage water-resistance testing before leaving production.
However, a specific depth rating in meters or bar has not been provided.
For that reason, no specific water-resistance depth should be assumed from the available information.
If the watch will be used for swimming or other intentional water exposure, individual pressure testing is recommended beforehand.
Product Specifications
Item Specification
Factory GF Factory
Collection Blancpain Fifty Fathoms
Case Material Grey Ceramic
Case Finish Satin
Movement Hangzhou 7-Series Automatic
Movement Architecture Cal.1315-Style Bridge Layout
Calendar Date Display
Luminous Material C3
Bezel Ceramic
Buckle Satin-Finished Ceramic
Water Resistance Three-Stage Factory Testing
Specific Depth Rating Not Provided
Style Automatic Ceramic Dive Watch
Wearing and Care Advice
Clean the grey ceramic case using a clean microfiber cloth. Avoid abrasive polishing compounds or aggressive chemical cleaners.
Ceramic provides excellent scratch resistance but should be protected from drops and concentrated impacts against hard surfaces.
The same precaution applies to the ceramic buckle, particularly when placing the watch on stone, tile or other hard surfaces.
Protect the Hangzhou 7-Series automatic movement from heavy impacts and strong magnetic fields.
When adjusting the date, avoid forcing the calendar mechanism if resistance is encountered.
If the watch will be exposed intentionally to water, professional pressure testing is recommended because a specific water-resistance depth was not provided.
Frequently Asked Questions
What material is the GF Factory Fifty Fathoms case?
This configuration uses a satin-finished grey ceramic case.
What movement does the watch use?
The underlying movement is a Hangzhou 7-Series automatic mechanical movement with a Cal.1315-style bridge architecture.
Is this an original Cal.1315 movement?
No. The supplied specification identifies the base mechanism as a Hangzhou 7-Series movement. Its bridge architecture is styled to resemble the Cal.1315 layout.
What luminous material is used?
The dial uses C3 luminous material for low-light visibility.
Is the buckle also ceramic?
Yes. The supplied configuration includes a satin-finished ceramic buckle.
What is the water-resistance rating?
The supplied information mentions three-stage water-resistance testing, but does not provide a specific meter or bar rating. A specific depth should therefore not be assumed without individual pressure testing.
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