APS Factory builds one thing: the Audemars Piguet Royal Oak. Here is what its 3120 clone gets right, where it stops, and how it compares to ZF.
Last checked: September 2026
A workshop with one job
APS is the narrowest specialist in this market. It does not make Rolex. It does not chase Patek. It builds the Audemars Piguet Royal Oak, and the reason it is spoken about at all is that the Royal Oak is the hardest mainstream watch to copy.
Everything difficult about that watch is on the outside. The case is an octagon with eight visible bevels, each one alternating between brushed and polished, and each transition has to be dead straight. The bracelet tapers through more than thirty individually finished links. The dial carries the tapisserie grid, a field of tiny raised squares that has to be pressed evenly or the light breaks up wrong across it.
None of that can be hidden behind a good movement. On a Royal Oak, the exterior is the watch.
What APS gets right
The bevels. This is the whole argument for APS. The brushed and polished transitions on the case flanks are cut cleanly rather than blurred, which is the first thing anyone familiar with the real watch looks at.
The tapisserie. Grid depth and evenness across the dial are the second test, and APS presses them consistently rather than letting the pattern flatten toward the edges.
The movement. APS runs a clone of the 3120 calibre, which is the base automatic in the standard Royal Oak. That matters because the real 3120 is visible through the sapphire caseback, rotor and all, so a substituted movement announces itself the moment the watch is turned over.
Where APS stops
Bracelet finishing is the honest limit. The Royal Oak bracelet is the most labour intensive part of the watch, and matching Audemars Piguet’s hand finishing across every link is beyond what any workshop at this price does. APS gets closer than most and does not close the gap.
The other limit is range. APS builds the core Royal Oak and does not spread across the wider catalogue, so for the Offshore and the more complicated references you are usually looking at other workshops.
APS against ZF
These two come up together because they are the serious names on integrated bracelet sports watches, and the split is reasonably clean.
ZF works across Patek Nautilus and Aquanaut as well as Audemars Piguet, and its strength is breadth of casework at a consistent standard. APS goes narrow and puts everything into one model family.
Neither answer is wrong. If you want a Royal Oak and nothing else, the specialist logic favours APS. If you are choosing between a Royal Oak and a Nautilus and want one workshop’s finishing across both, ZF is the more practical answer.
What does an APS Royal Oak cost?
Our Royal Oak references run $1,000 to $1,650, and every figure sits on the product page rather than behind a message. The spread inside that band is finishing labour rather than movement cost, because the movement is the same 3120 clone across it.
A quote far below our band on a Royal Oak is worth reading carefully. Case bevels and tapisserie are where the cost is, so a very cheap Royal Oak has almost always saved money in exactly those two places.
Checks before buying a Royal Oak
- Ask for a photograph of the case flank at an angle. Bevels only show under raking light. A flat straight on shot hides everything that separates a good Royal Oak from a poor one.
- Ask for a caseback shot. The rotor and bridge layout should match the 3120. A generic rotor behind sapphire is a substituted movement.
- Ask about the bracelet taper. Uneven link finishing is the most common flaw and the least photographed.
Frequently asked questions
What does APS Factory make?
The Audemars Piguet Royal Oak, almost exclusively. It is the narrowest specialist workshop in this market.
What movement does APS use?
A clone of the AP 3120 automatic. That matters on the Royal Oak because the caseback is sapphire and the movement is visible.
Is APS better than ZF for a Royal Oak?
They are close and the choice is about scope. APS concentrates everything on one model family. ZF spreads the same class of casework across Patek and Audemars Piguet both.
What is the weak point of an APS Royal Oak?
Bracelet finishing. Matching the hand finished links of the original is beyond this tier, and it is where a close inspection lands first.
Where can I see them?
Our Royal Oak collection and the wider Audemars Piguet range cover the references APS is known for.
