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Description
VSF Rolex GMT-Master II 116710LN ��Lunette Noire��
A technically proficient execution of the classic all-black GMT, distinguished by superior crystal optics and a stable jumping-hour caliber.
Powered by Dandong Caliber 3186
The mechanical foundation of this piece is the Dandong 3186, a movement highly respected within horological circles for its structural fidelity to the genuine Rolex caliber. Unlike older ��time-bomb�� iterations that forced GMT modules onto standard ETA architectures, this movement is designed from the ground up to support the Correct Hand Stack. It features a free-sprung balance and operates at 28,800 vph, providing a smooth sweep and reliable independent adjustment of the local hour hand.
Dandong 3186 calibers are typically regulated at the factory to operate within 卤3��5 seconds per day, exhibiting excellent positional variance and strong amplitude above 270 degrees when fully wound.
- �� Power Reserve: 60+ Hours (Dandong clone caliber)
- �� Complications: True GMT, Independent Jumping Hour, Instantaneous Date
- �� Winding Direction: Bidirectional via reversing wheels
Technical Specifications
The 40mm case features precisely machined polished flanks and brushed lugs. Measuring exactly 12.2mm thick, it replicates the genuine profile flawlessly, avoiding the disproportionate bulk found in lesser replicas.
Exhibits a deep, inky gloss finish. The green dial accents match the specific hue of the 116710LN, while the applied indices are filled with a highly reactive blue Chromalight compound.
The 24-click bidirectional bezel features a deep black ceramic insert. The recessed numerals are treated with a platinum dust coating, providing the correct metallic sheen under direct lighting.
Constructed with solid end links (SEL) that fit flush against the case. Unlike the Submariner��s Glidelock, this features the historically accurate 5mm Easylink comfort extension clasp.
Why VSF for This Reference?
Many collectors ask: ��Why not Clean Factory?��
While Clean Factory produces exceptional bezel inserts, VSF remains the dominant choice for the 116710LN due to its superior sapphire crystal and movement reliability. The VSF Cyclops lens features an industry-leading anti-reflective coating that creates a genuine ��Black Hole�� effect, making the date wheel exceptionally legible. Furthermore, the Dandong 3186 movement offers a noticeably smoother winding experience and tighter hand tolerances than its competitors.
Full Disclosure: VSF��s crown guards possess slightly softer inner bevels compared to genuine 116710 cases, and the bezel action can feel marginally more muted than Clean Factory��s execution.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | 116710LN-0001 |
| FACTORY / VERSION | VSF Edition |
| MOVEMENT | Dandong Caliber 3186 Clone |
| CASE MATERIAL | 904L Oystersteel |
| WEIGHT & THICKNESS | 149.7g | 12.2mm |
| CRYSTAL & LUME | VSF Sapphire with AR | Blue Chromalight |
| DIMENSIONS | 40mm � 48mm � 12.2mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 30m stated �� professional pressure test recommended before swimming |
Collector Q&A
Q: Is the GMT hand independently adjustable like the genuine 3186?
A: Yes, the Dandong 3186 clone movement features a true jumping hour mechanism. When the crown is pulled to the second position, you can jump the local hour hand forward or backward in one-hour increments without stopping the seconds hand or disturbing the 24-hour GMT hand.
Q: How does the VSF crystal compare to Clean Factory��s version for this model?
A: VSF utilizes a superior sapphire blank combined with a highly accurate ��Black Hole�� anti-reflective coating on the cyclops. This results in significantly reduced glare and noticeably better date legibility under direct lighting than the Clean Factory equivalent.
Q: Are the dimensions 1:1 with the discontinued genuine 116710LN?
A: Yes, this specific VSF case is measured at exactly 12.2mm thick and weighs 149.7 grams on the fully linked Oyster bracelet, which places it within microscopic tolerances of the original 904L steel model.
Q: What is the primary known flaw with this specific VSF batch?
A: While the crystal and movement are class-leading, horological purists note that VSF��s crown guard inner bevels are slightly softer than genuine, and the platinum-sputtered bezel numerals can appear marginally darker in low-light conditions compared to the genuine ceramic insert.
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