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Audemars Piguet

2 very different movements

 

The Caliber 2385 is based upon a Frederic Piguet 1185, and is a self winding chronograph movement finished by AP.  It is commonly used in the Royal Oak Chronograph.


AP's in-house Caliber 3120 was launched over 10 years ago now and is a self winding movement frequently used in the Royal Oak series, also the Offshore Diver (non-chrono version) uses this movement.  It features hours, minutes, center seconds, and a date.

Better?  Always a tough question.  A closer comparison would be the AP Caliber 3126, which is used in chronograph Royal Oak Offshores.  It adds a module to the 3120, many likely prefer the integrated chrono caliber 2385 from a design standpoint.  Function wise, I have owned all these movements and enjoyed them equally.  AP's in-house movements definitely provide a longer power reserve - 60 hours versus 40 hours on the 2385.

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