A replica Rolex Explorer II 16550 (frequently mistyped as 16559) is judged against the genuine watch in four places: the 40mm case profile, the fixed 24-hour bezel engraving, the dial with its GMT hand stack, and the movement. The best current replicas match the case and bezel closely. Most still fall short on hand-stack order and dial text spacing, which is where a loupe settles the question.

replica rolex explorer 2 16559 imitation

Is the reference 16559 real?

No. Rolex never issued an Explorer II 16559. The reference you want is 16550, made from 1985 to 1989, or its successor 16570, made from 1989 to 2011.

replica rolex explorer 2 16559 copy

The two digits sit next to each other on a keyboard, so “16559” shows up in search results and marketplace listings, and sellers copy the typo. Treat any listing that uses 16559 with the same caution you would apply to a mismatched reference number.

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How does a replica 16550 compare to the genuine watch?

Begin with what a replica can and cannot hide. Externally, a good build passes at arm's length. Internally, the movement and hand stack decide the outcome.

Best Replica Rolex Explorer 2 16559 Review: Your Ultimate Guide

Case and bezel

Genuine 16550 cases measure about 40mm across and roughly 12.5mm thick, with 20mm lugs and drilled lug holes on early examples. Many replicas run 0.3mm to 0.5mm thicker than the real thing.

The 24-hour bezel is fixed, stainless steel, and matte in the recesses with polished numeral edges. Engraving depth and numeral width are the first details to compare under light.

Crown guards should be symmetric with a gentle taper into the mid-case. Replicas are often over-polished there, which flattens the profile and reflects light differently from the brushed sides.

Dial, hands, and GMT hand stack

The 16550 came with a black dial or a white “Polar” dial. The white dial is known for turning cream because of a lacquer defect, and the black dial appears in the “rail dial” layout with the chronometer text framed by two parallel lines.

On the genuine caliber 3085, the independently set 24-hour hand sits below the minute hand in the stack. Replicas built on generic GMT movements place it elsewhere, and the difference shows in a side profile.

Lume plots should be round, evenly spaced, and color-matched between dial and hands. Replica dials tend to use tritium-style paint with too much yellow saturation.

Movement

The genuine 16550 uses the Rolex caliber 3085, a 27-jewel automatic running at about 28,800 vph. Replicas come in three tiers: a basic 24-hour module, an ETA 2836-2 with a GMT wheel, or a clone of the 3185 and 3186.

Only the clone movements reproduce the independent hour hand and true jumping GMT function. Quick test: pull the crown to the second position and move the hour hand. If the 24-hour hand does not stay fixed, the movement is not built correctly.

Bracelet and clasp

The correct bracelet is an Oyster 78790 with solid end links and a flip-lock clasp. Replica bracelet finishing reads brighter than the genuine satin finish.

Check the end link fit at the lugs. Gaps and rattle are the most common external giveaway on cheaper builds.

Is the 16550 or the 16570 the better replica base?

The 16570 is easier to source parts for and had a longer production run, so replica supply is deeper and quality is more consistent. The 16550 is the more collectible reference, and its cream-dial examples carry strong premiums.

If accuracy matters more than rarity, pick a 16570 replica with a 3186 clone. If you want the vintage look, a 16550 replica needs a correctly domed sapphire crystal and a dial that is aged with restraint.

Which tells are hardest to fake?

  1. Hand stack order and true GMT function
  2. Bezel engraving depth and numeral width
  3. Dial text spacing and font weight
  4. Case thickness and crown guard symmetry
  5. End link fit and brushing direction

What should you inspect before buying a replica 16550?

  • Measure case thickness and lug width with calipers
  • Move the hour hand and confirm the 24-hour hand stays put
  • Compare bezel numerals against a reference photo at the same angle
  • Check dial text alignment at 10x magnification
  • Inspect bracelet screws for the correct flat-head profile

Does buying a replica carry legal risk?

In the United States, selling a counterfeit as genuine is illegal, and importing counterfeit goods violates trademark law. Never resell a replica without disclosing what it is.

Many buyers use a replica to test the 40mm Explorer II fit before committing to a genuine purchase, which is the practical use case for this reference.