Product Information
* Factory: BP Factory
* Brand: Rolex
* Collection: GMT-Master II
* Reference: 16710
* Case Size: 40 mm
* Movement: 3186 Automatic GMT Movement
* Crystal: Sapphire Crystal
Technical Specifications
* Case Diameter: 40.0 mm
* Case Thickness: 13.0 mm
* Measured Weight: 133.5 g*
* Movement: 3186 Automatic GMT Movement
* Beat Rate: 28,800 BPH
* Crystal: Sapphire Crystal
* Bracelet Construction: Hollow-link style
*The measured weight of 133.5 g applies to the individual watch inspected for this QC report. Minor variations may occur between watches due to bracelet sizing, production tolerances and configuration differences.
Timegrapher Test Results
* Daily Rate: -4 Seconds/Day
* Amplitude: 303°
* Beat Error: 0.3 ms
* Beat Rate: 28,800 BPH
Testing Note
The readings above were recorded from this individual watch during its pre-shipment QC inspection.
Mechanical movement performance may vary depending on mainspring power, watch position, ambient temperature and testing conditions. These readings represent the movement’s condition at the time of inspection and should not be interpreted as a permanently fixed daily rate.
3186 Movement Performance
This BP Factory Rolex GMT-Master II 16710 is equipped with a 3186 automatic GMT movement operating at 28,800 vibrations per hour.
During this QC inspection, the movement recorded a daily rate of -4 seconds, an amplitude of 303° and a beat error of 0.3 ms.
The movement showed stable operation under the recorded testing conditions. Automatic winding, manual winding, time setting, GMT operation and date-change functions should also be individually checked before shipment.
Hollow-Link Bracelet Construction
One detail that requires particular attention on this model is the bracelet construction.
The bracelet uses a hollow-link style design, which gives it a lighter and more flexible feel than the solid-link bracelets commonly fitted to later-generation Rolex sports models.
Because of this construction, the bracelet may produce more movement or sound when handled and may feel noticeably lighter on the wrist.
This characteristic should not automatically be interpreted as poor quality. It is part of the older-generation design approach associated with the GMT-Master II 16710.
During QC, the bracelet should be assessed according to its actual condition, including:
* Link movement
* End-link fit
* Bracelet alignment
* Clasp security
* Overall assembly
The correct comparison is with the construction expected for this older-style model, rather than with a modern solid-link GMT bracelet.
Bezel Rotation and Vintage-Style Feel
The rotating bezel may also feel different from the bezels used on later ceramic GMT-Master II models.
Its rotation, resistance and tactile feedback can feel lighter or less solid than a modern ceramic bezel. This difference is related to the older-style bezel construction and the vintage character of the 16710 design.
It should not automatically be regarded as a quality problem.
The important QC points are whether the bezel:
* Rotates correctly
* Remains secure after adjustment
* Aligns with the dial markers
* Does not have excessive vertical or lateral movement
* Maintains consistent operating resistance
For users accustomed to modern GMT models, the bezel and bracelet may initially feel different, but these characteristics are part of the older-generation design experience.
QC Observations
The BP Factory Rolex GMT-Master II 16710 is a model where understanding the characteristics of the older-generation design is especially important.
During inspection, the 3186 movement produced stable timegrapher readings, including a -4 seconds/day rate, 303° amplitude and 0.3 ms beat error.
The watch measured:
* 40.0 mm in diameter
* 13.0 mm in thickness
* 133.5 g in weight
Two areas deserve additional attention before shipment: the hollow-link bracelet and the older-style bezel rotation.
These features can make the watch feel different from a modern solid-bracelet ceramic GMT-Master II. The difference should not automatically be treated as a defect. Instead, QC should focus on whether the actual bracelet, clasp and bezel operate correctly and whether the overall assembly meets the expected standard for this specific model.
Pre-Shipment QC Inspection
* ✔️ 3186 automatic GMT movement checked
* ✔️ Timegrapher readings recorded
* ✔️ Automatic winding function checked
* ✔️ Manual winding function checked
* ✔️ Time-setting function checked
* ✔️ GMT function checked
* ✔️ Date-change operation checked
* ✔️ Case diameter measured at 40.0 mm
* ✔️ Case thickness measured at 13.0 mm
* ✔️ Individual watch weight measured at 133.5 g
* ✔️ Sapphire crystal inspected
* ✔️ Dial, hands and GMT hand alignment checked
* ✔️ Bezel rotation and alignment inspected
* ✔️ Bezel security and operating resistance checked
* ✔️ Hollow-link bracelet construction inspected
* ✔️ Bracelet link movement checked
* ✔️ End-link fit inspected
* ✔️ Clasp locking security checked
* ✔️ Exterior finishing and overall assembly inspected
* ✔️ Final pre-shipment QC inspection completed
