Clean Factory Rolex GMT-Master II 126710BLRO Pepsi Pre-Shipment QC Review

Clean Factory Rolex GMT-Master II 126710BLRO Pepsi Pre-Shipment QC Review

The Clean Factory Rolex GMT-Master II 126710BLRO-0001, commonly known as the Pepsi GMT, combines a 40mm-class 904L stainless-steel case, black dial, red-and-blue ceramic bezel and Jubilee bracelet with a Cal.3285 movement.

Two details are particularly worth documenting on this version: the ceramic bezel response under ultraviolet light and the overall execution of the Jubilee bracelet.

During this pre-shipment QC inspection, the Cal.3285 movement recorded +9 seconds/day, 318° amplitude, 0.2ms beat error and 28,800 BPH.

The specific watch measured 40mm in width, 12mm in thickness and 143.3g in weight.

QC Test Results

Inspection Item Measured Result
Factory Clean Factory
Model Rolex GMT-Master II 126710BLRO-0001
Nickname Pepsi
Dial Black Dial
Case / Bracelet 904L Stainless Steel
Bracelet Jubilee
Bezel Red / Blue Ceramic
Movement Cal.3285
Daily Rate +9 s/day
Amplitude 318°
Beat Error 0.2ms
Beat Rate 28,800 BPH
Crystal Sapphire Crystal
Measured Width 40mm
Measured Thickness 12mm
Measured Weight 143.3g

These figures belong to this specific QC sample. Minor differences can occur between individual watches due to production tolerances, power reserve, testing position, bracelet sizing and measurement methods.

Cal.3285 Movement Performance

This Clean Factory GMT-Master II 126710BLRO is equipped with a Cal.3285 movement.

The timegrapher recorded:

Daily Rate: +9 seconds/day
Amplitude: 318°
Beat Error: 0.2ms
Beat Rate: 28,800 BPH

The +9 seconds/day rate falls within the commonly used ±0–15 seconds/day pre-shipment QC reference range.

The 318° amplitude indicates a strong power state during this particular test, while the beat error measured 0.2ms.

These results document the condition of this individual movement at the time of inspection. Actual daily accuracy can vary depending on power reserve, temperature, resting position and wearing conditions.

Pepsi Ceramic Bezel UV Light Test

One of the most interesting QC points on the Clean Factory 126710BLRO is the response of the red-and-blue ceramic bezel under ultraviolet light.

Under normal lighting, the bezel displays the familiar blue and red Pepsi color separation.

When exposed to a UV light during our QC inspection, the ceramic bezel on this Clean Factory sample showed a strong red fluorescence response across the bezel, creating an almost fully red appearance.

This behavior is useful as a comparative QC observation.

Other factory versions we have examined can also show a reddish response under UV illumination, but the intensity and visual uniformity can differ. In our comparison samples, the Clean Factory bezel produced a particularly clear and visually consistent red response.

However, a UV test should not be treated as a standalone authenticity or quality test. The light source, wavelength, exposure, camera settings and individual bezel can all influence the appearance.

It is most useful when different versions are photographed under the same UV light and camera conditions.

Why the UV Bezel Test Is Useful

The UV test provides another way to compare ceramic inserts that may look extremely similar under ordinary lighting.

For a meaningful comparison, the testing conditions should remain consistent:

Same UV light source
Same distance from the bezel
Same camera
Same exposure and white balance
Similar surrounding lighting

Under controlled conditions, differences in fluorescence intensity and color distribution become easier to observe.

For this Clean Factory sample, the transition to a strong red appearance under UV light was one of the more distinctive characteristics recorded during QC.

Jubilee Bracelet Quality

The Jubilee bracelet is another area where this Clean Factory version performs particularly well based on our hands-on comparison.

The bracelet should not be evaluated only by its appearance in photographs. During QC, we also check the articulation of the links, surface finishing, connection to the case, clasp operation and overall feel.

Among the versions we have personally handled, the Clean Factory Jubilee bracelet has shown very strong overall execution and remains one of the better examples we have inspected.

This is a more useful distinction than simply declaring one factory universally superior, because bracelet quality can change between models, batches and individual watches.

40mm Width and 12mm Thickness

The actual measurements of this specific QC sample were:

Width: 40mm
Thickness: 12mm

These measurements provide useful real-world reference data when comparing different GMT-Master II versions.

Thickness is particularly useful because two watches can appear almost identical from the front while showing differences in their side profiles.

The 40mm × 12mm figures apply specifically to this individual watch.

143.3g Measured Weight

This Clean Factory 126710BLRO measured 143.3g during QC.

Weight is useful when comparing similar versions, but it should not be treated as an independent indicator of quality.

Bracelet sizing can also affect the final measured weight.

For this reason, the 143.3g figure is best considered together with the case dimensions, Jubilee bracelet construction, clasp and overall weight distribution.

Black Dial and Sapphire Crystal

This version combines a black dial with a sapphire crystal.

During exterior QC, attention should be given to the dial printing, hands, hour markers, date window and magnification alignment.

The crystal should also be inspected under different lighting angles for visible marks or other surface issues.

For a GMT model, the GMT hand and its relationship with the other hands should also be checked carefully.

GMT and Bezel Function Testing

The GMT-Master II requires more than a basic movement test.

During pre-shipment QC, the time-setting, date operation and GMT-related functions should be physically tested.

The bezel should also be rotated to check its operation and alignment.

This gives a more complete QC sequence:

Timegrapher → GMT Function → Date Function → Bezel → UV Test → Exterior Inspection

The UV test adds useful comparative information, but it does not replace mechanical and exterior inspection.

904L Stainless-Steel Construction

This version uses 904L stainless-steel construction.

Exterior inspection should include the case edges, brushed and polished surfaces, crown, bracelet links and clasp.

For the Jubilee bracelet in particular, link articulation and finishing consistency contribute significantly to the overall wearing experience.

This is one of the areas where the Clean Factory version has performed strongly in our hands-on comparisons.

Overall QC Assessment

This Clean Factory Rolex GMT-Master II 126710BLRO-0001 recorded:

+9 seconds/day
318° amplitude
0.2ms beat error
28,800 BPH

Actual physical measurements were:

Width: 40mm
Thickness: 12mm
Weight: 143.3g
Crystal: Sapphire
Movement: Cal.3285
Bracelet: Jubilee

Two characteristics stood out during this inspection.

First, the Pepsi ceramic bezel showed a strong and relatively uniform red response under UV illumination. Other versions can also react under UV light, but the appearance of this Clean Factory sample was particularly clear in our comparative testing.

Second, the Jubilee bracelet showed very good articulation, finishing and overall execution. Among the versions we have personally handled, it remains one of the stronger Jubilee bracelet executions we have inspected.

Rather than relying on factory reputation alone, the most useful approach is still to examine the individual watch through movement testing, GMT functionality, bezel operation, UV comparison, dimensions and exterior QC.

FAQ | Clean Factory GMT-Master II 126710BLRO

What movement does the Clean Factory 126710BLRO use?
This specific QC sample is equipped with a Cal.3285 movement running at 28,800 BPH.

What were the timegrapher results?
The movement recorded +9 seconds/day, 318° amplitude, 0.2ms beat error and 28,800 BPH during this QC test.

What happens to the Clean Factory Pepsi bezel under UV light?
Under the UV light used in this QC inspection, the red-and-blue ceramic bezel showed a strong red fluorescence response, creating an almost fully red appearance. The exact appearance can vary with UV wavelength, lighting and camera settings.

Is the UV reaction unique to Clean Factory?
No. Other ceramic bezel versions can also show a red response under UV illumination. What can differ is the intensity, uniformity and visual appearance under the same testing conditions.

What are the actual dimensions and weight?
This specific watch measured 40mm in width, 12mm in thickness and 143.3g in weight.

How is the Clean Factory Jubilee bracelet?
Based on the versions we have personally inspected, the Clean Factory Jubilee bracelet shows very good link articulation, finishing and
overall execution and is one of the stronger examples in our hands-on comparisons.