TIER-1 ALLOCATION LIVE VIDEO QC

VSF Rolex GMT-Master II 126713GRNR-0001 “Bumblebee” on Jubilee, featuring the Grey/Black ceramic insert and precise 18k Yellow Gold Two-Tone (Rolesor) construction. Powered by the Dandong DD3285.

Collector-Spec Execution. Unit-Level Witschi QC. No Unchecked Watches Shipped.

Two-Tone Jubilee Architecture: Fully side-plated 18k yellow gold center links, eradicating the "exposed steel" flaw found on lower-tier replicas.
Grey/Black Ceramic (GRNR): Clean colour transitions at 6 and 18 with true yellow gold-PVD numeral infill.
18k Gold Tone Calibration: Advanced plating technology engineered to avoid harsh, brassy hues.
Dandong DD3285: True CHS, independent jumping local-hour hand and a current-batch 72-hour reserve benchmark.
Actual-Watch Witschi QC: Rate, amplitude and beat error documented for the allocated unit, with an approximate -6/+6 s/day release target.
5 ATM Factory Batch Test: Current VSF production is pressure-tested before entering our allocation channel.
Two-Year Movement Warranty: Coverage applies to qualifying internal DD3285 movement failures under normal use.

*The specifications below describe our vetted release standard—not an unchecked factory sample.

The specifications below describe the watch we release—not the average unchecked watch that leaves the factory. Every allocated unit must pass our stated visual, mechanical and Witschi timing criteria before it is submitted for customer QC.

As VSF’s largest core distribution partner, RealVSFactory holds priority allocation and direct replacement access across current GMT-Master II production. The practical advantage is simple: faster sourcing, internal filtering before customer QC and immediate replacement access when a unit does not meet our release standard.

Live Video QC on our Witschi machine is available prior to dispatch.

1. Bezel Execution & Optical Architecture

Grey/Black (GRNR) Ceramic Insert: The current VSF insert executes a clean, level transition between the grey and black halves at the 6 and 18 positions, eradicating the raised ridges known as “speed bumps.” The grey sector maintains the correct subtle tone characteristic of the genuine GRNR.
True Yellow Gold-PVD Infill: Unlike standard steel models that use platinum, the recessed 24-hour numerals on this Two-Tone reference feature a genuine yellow gold-PVD application, accurately matching the 18k yellow gold tones of the crown, bezel teeth, and center links.
24-Position Bezel Action: Every released unit is checked for crisp, evenly tensioned detents, correct triangle alignment and no perceptible back-play during normal handling. Spongy rotation or obvious zero-marker misalignment is rejected before customer QC.
Dual-AR Cyclops: The date aperture drops into a deep black field under angled light, producing the correct Black Hole effect instead of the milky or blue-hazed appearance found on lower-tier crystals. Magnification, edge distortion and Cyclops positioning are rigorously checked.

2. Dial Printing, Hands & Date Display

Raised Wet-Ink Printing: The gloss-black dial carries the saturated printing profile collectors call “wet ink,” with the “GMT-Master II” text executed in the correct powdered gold tone to complement the Two-Tone chassis.
Gold-Tone Hand and Pinion Finishing: The hour, minute, seconds and GMT hands are fully yellow gold plated and inspected under macro magnification for clean polishing and controlled edges. The central hand stack uses a finished capped pinion rather than an exposed hollow centre.
Lume Application: The yellow gold applied hour markers and hands are checked for even luminous filling and a consistent blue-emitting glow without visible spill.
DW and Rehaut Alignment: Multiple single- and double-digit dates are checked for visible vertical or lateral date-wheel bias. The rehaut coronet, engraving, hour markers, Cyclops and bezel triangle are assessed together in the same frontal axis.

3. Dandong DD3285 & Unit-Level Timing QC

True CHS Flyer-GMT Architecture: The Dandong DD3285 uses the correct modern GMT hand stack. The local 12-hour hand moves independently in one-hour increments while the 24-hour GMT hand remains on reference time. The date follows the local-hour hand across midnight.
72-Hour Power-Reserve Validation: Our current DD3285 production batch has been validated through repeated full-wind-to-stop run-down testing, reaching a documented 72-hour benchmark.
Actual-Watch Witschi Proof: The specific watch allocated to the order is measured on our professional Witschi equipment. Customer QC includes the actual rate, amplitude and beat error, with an approximate pre-shipment target of -6/+6 seconds per day in the recorded bench position.

4. Two-Tone (Rolesor) Hardware & Jubilee Bracelet

Side-Plated Center Links (Crucial Spec): The fatal flaw of mid-tier Two-Tone replicas is leaving the sides of the center links as exposed steel. VSF engineers the 5-link Jubilee bracelet with fully side-plated 18k yellow gold center sections, ensuring a seamless gold profile when viewed from any angle.
18k Gold Tone Calibration: The bezel teeth, winding crown, and bracelet center links are meticulously plated to mimic the warm, rich tone of genuine Rolex 18k yellow gold, avoiding the harsh, brassy “cheddar” hues common in lower-tier executions.
Tight SEL Fit: The solid end links are checked for even lug gaps, correct seating height and the slight visual step-down expected beneath the lug horns.
Oysterlock Clasp and Easylink: Fitted with the robust Two-Tone Oysterlock safety clasp. Checked for positive closure and smooth engagement of the 5mm comfort-extension mechanism.

5. Factory Pressure Test & Release Standard

5 ATM Factory Batch Testing: Current VSF production completes a factory static-pressure protocol to 5 ATM before entering our allocation channel. This is a tested factory release benchmark, not an unverified waterproof estimate added by a drop-ship dealer.
Unit-Level Customer QC: The allocated watch is documented through high-resolution dial, date, Cyclops, bezel, rehaut, SEL and clasp images, together with DD3285 function video and its actual Witschi timing result.
Priority Replacement Access: A unit that fails our internal screen is not submitted for customer approval. If the customer rejects a watch after QC, another current-production unit can be allocated through our direct VSF replacement channel.
Two-Year Movement Warranty: Every released watch is backed by a two-year limited warranty covering qualifying internal DD3285 movement failures under normal use. Detailed coverage and exclusions are stated in the FAQ below.

Collector FAQ: VSF 126713GRNR Quality & Warranty

* Click on any question below to expand the details.

Q: Can I verify the watch via Video Call before shipping?

A: Yes. Because we hold physical priority stock, clients can request a live video call via WhatsApp to inspect their specific allocated unit. You can verify the side-plating on the Jubilee links, the accuracy of the yellow gold tone, and watch the DD3285 running on our Witschi machine in real-time before dispatch.

Q: Are the sides of the Jubilee center links plated with gold?

A: Yes. This is a critical QC metric for Two-Tone configurations. VSF ensures that the sides of the center links on the Jubilee bracelet are properly plated, avoiding the “exposed raw steel” flaw prevalent on mid-tier replicas.

Q: Does the gold plating look too brassy or fake?

A: VSF has specifically calibrated their plating bath to mimic the warm, slightly softer tone of genuine Rolex 18k yellow gold. It avoids the harsh, overly saturated “cheddar cheese” yellow hues that immediately expose lower-tier replicas.

Q: Is the grey/black ceramic transition smooth, or does it have visible speed bumps?

A: The current VSF GRNR insert is rigorously checked at both the 6 and 18 transition points. Released units must show a clean, level ceramic surface without a perceptible raised ridge, together with consistent yellow gold-PVD numeral filling.

Q: Does the Cyclops produce the Black Hole effect?

A: Yes. The Dual-AR Cyclops produces a deep black date-aperture contrast under angled light. The allocated watch is checked for magnification, edge distortion, and date-wheel centring.

Q: Does the DD3285 have a true jumping local-hour hand and a tested 72-hour reserve?

A: Yes. The local 12-hour hand adjusts independently in one-hour increments while the GMT hand remains on reference time. Our current DD3285 batch has also completed repeated full-wind run-down testing to a documented 72-hour benchmark.

Q: What Witschi timing information will be shown in my QC?

A: QC includes the actual watch’s rate, amplitude and beat error—not only a cropped seconds-per-day number. Our approximate release target is -6/+6 seconds per day in the recorded bench position, provided the amplitude, beat error and trace remain healthy.

Q: Is the 5 ATM figure a factory estimate or an actual pressure test?

A: The current VSF production batch is factory pressure-tested to 5 ATM before allocation. This is a static sealed-case release test rather than an ISO dive certification. The winding crown must remain fully screwed down, and water ingress is not covered by the movement warranty.

Q: What exactly does the two-year warranty cover?

A: The two-year warranty is limited to the internal DD3285 movement. It covers qualifying failures of the automatic-winding system, gear train, timekeeping, GMT jumping-hour mechanism and date-setting functions caused by manufacturing or assembly defects under normal use.

The warranty does not cover water ingress or moisture damage, accidental impact or drop damage, external hardware damage or component detachment caused by force, cosmetic wear, fading or scratching of the gold plating, bracelet, clasp, bezel, crystal or case damage, operation with the crown left unscrewed, or any watch opened, modified or repaired by an unauthorised third party.

Complete service procedures, eligibility requirements and warranty exclusions are governed by our

Warranty & Return Policy
.