The genuine Rolex GMT-Master II ref. 116710BLNR is the benchmark for this search term. It is the watch people mean when they type "fake Rolex 116710BLNR Batman," and it is the only version with a documented specification sheet you can check against. This guide covers what the reference number defines, how the real steel-and-ceramic watch is built, which details counterfeiters most often miss, and why a counterfeit purchase carries consequences that a side-by-side photo comparison will not show you. It does not point you toward replica sellers.

What the 116710BLNR name actually defines

Rolex uses reference numbers as a specification, not a nickname. Breaking the 116710BLNR down gives you a checklist that any watch claiming to be this model has to satisfy.

• Blue and black ceramic bezel insert, split into two halves. The color break earned the watch the "Batman" nickname.
• 40 mm Oystersteel case with a screw-down crown and a 24-hour graduated bezel.
• Caliber 3186, a self-winding movement with an independently adjustable 24-hour hand for a second time zone.
• Oyster bracelet with brushed outer links and polished center links.
• Production ran from 2013 until 2019, when it was replaced by the 126710BLNR on a Jubilee bracelet.

Where counterfeit 116710BLNR pieces usually fail

Counterfeit watches are judged against the genuine article, so the useful question is not "does it look close" but "which specific details break down." These are the recurring failure points.

• Bezel insert color. The blue and black halves should meet at the 6 and 18 positions with a clean line. Cheap inserts drift toward purple or navy and show soft, uneven edges under magnification.
• Hand stack. On the genuine watch the GMT hand sits below the minute hand. Reversed order is a common error.
• Date magnification. Genuine crystals use an approximately 2.5x cyclops. Copies often use a stronger lens that makes the date look oversized.
• Case finishing. The transition between brushed and polished surfaces should be sharp. Blurred transitions are a giveaway under raking light.
• Movement. Genuine pieces run caliber 3186. Copies use third-party movements with different beat rates and different finishing.
• Engravings. Serial and reference stamps between the lugs and on the rehaut have specific spacing and depth that vary on copies.

Legal and practical risk of buying a counterfeit

Counterfeit goods are not a gray area in US law. Importing them is prohibited and shipments are subject to seizure, and trademark counterfeiting carries both civil and criminal exposure for sellers. The practical downside is just as real: no manufacturer warranty, no factory service, plating that wears through, and resale value that is close to nothing. A counterfeit is a cost, not an asset.

Who needs this distinction

• Buyers researching the Batman nickname: start from the reference number and the genuine spec list, then verify the seller and paperwork.
• Marketplace and resale sellers: authenticate before listing, because a counterfeit passing through your hands creates liability.
• Collectors comparing generations: the 116710BLNR and the later 126710BLNR differ in bracelet and movement, so confirm which one you are looking at.

Bottom line

If you want a GMT-Master II with a blue and black bezel, the 116710BLNR is a defined object with a defined spec, and the details above are what separate it from a counterfeit. Buying the counterfeit gets you the look without the movement, the finishing, the service support, or the legality.