Series : GMT-MASTER II
Model Number : 116718LN
Movement : Automatic
Power Reserve : Caliber Rolex 3186, 48Hours
Case Diameter : 40mm
Case Thickness : 12mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Scratch-Resistant Sapphire Crystal
Dial Colour : Black
Strap Colour : Gold
Strap Material : 18kt Yellow Gold
Clasp : Folding Clasp
Crown-Tube Relationship: Independent Evidence
On 116718LN, crown-tube relationship is useful because function can expose inconsistencies hidden by a polished exterior. Document the result independently from dial and case appearance. The stated 40mm gives 116718LN a proportion baseline for crown-tube relationship, but photo-derived dimensions remain approximate without scale.
Dial-Color Photography
Make the photographic evidence for 116718LN specific to dial-color photography. Neutral light and controlled perspective are more valuable than dramatic presentation, especially when polished surfaces create false edges. Use multiple points on the 116718LN Black to judge dial-color photography; one isolated irregularity can be misleading.
Crown-Guard Geometry as a Reference Question
QC communities frequently discuss crown-guard geometry, making it a useful question for 116718LN. Use that discussion to decide what to inspect, then return to a genuine same-reference baseline for the answer. On 116718LN, compare crown-guard geometry through silhouette and relative mass before trying to infer exact measurements.
Examining Lug Taper
Use lug taper to narrow the 116718LN analysis rather than broaden it. Confirm the exact generation, examine the matching genuine detail, and keep unrelated series traits outside this evidence channel. The stated 40mm gives 116718LN a proportion baseline for lug taper, but photo-derived dimensions remain approximate without scale.
Marker Spacing Rhythm: Independent Evidence
For 116718LN, turn marker spacing rhythm into a construction-forensics question. Map the feature across more than one edge or junction so a local imperfection can be distinguished from a systematic build difference. Use multiple points on the 116718LN Black to judge marker spacing rhythm; one isolated irregularity can be misleading.






















Chris Garcia –
I didn’t want anything too loud, and this seemed about right. Customer service answered my question before I ordered, which helped. The overall design is a small detail, but it changes the overall look. I can see myself getting a lot of use out of it.