Hands On: Audemars Piguet Royal Oak Chronograph

 

Before 1972 luxury timepieces were usually small and made out of gold. Until Audemars Piguet broke the rules with the Royal Oak model. That was a luxury, sporty avant-garde style watch made out of steel with octagonal bezel, and integrated bracelet. This powerful look style continues today, becoming a modern chronological icon that upholds the innovation and excellence embodied by Audemars Piguet.

 
 
Audemars Piguet Royal Oak Chronograph
 

Currently there are 9 models of Royal Oak Chronograph with the case measuring 41 mm in diameter and 11mm in thickness. Seven models come with the metal bracelets, except two models in 18-carat pink gold with hand-stitched alligator strap. The Grande Tapisserie” dial features 3 sub-dials. Two are located 3 and 9 o’clock and a smaller one at 6 o’clock mark. Audemars Piguet made a decision to make sub-dials different sizes and removed arabic numerals from the smaller one, resulting in a cleaner distinction of information between all three registers. The date window is located a little bit to close to a 5 o’clock mark.

 
 
Audemars Piguet Royal Oak Chronograph
 

The case exhibit Audemars Piguet signature finishing, the long eight-stage process that consist of cutting, sandblasting, lapping, polishing, and varnishing. Looking at a case and dial one cannot notice a new “panda” look, that makes Royal Oak model look even more modern and sportier. Inside of Audemars Piguet Royal Oak Chronograph is powered by Caliber 2385, a column wheel chronograph movement with a long history deployed inside AP chronographs.

 
 
Audemars Piguet Royal Oak Chronograph
 

 
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SPECIFICATIONS

 

  CASE & DIAL  
         
  REFERENCE   26331ST.OO.1220ST.01- J Series  
  TOTAL DIAMETER   26.2 mm (11½ lignes)  
  CASE SIZE   41 mm  
  CASE THICKNESS   11 mm  
  WATER RESISTANCE   50 m  
  DIAL   Black dial with “Grande Tapisserie” pattern, silver-toned counters, white gold applied hour-markers and Royal Oak hands with luminescent coating  
         
  MOVEMENT  
         
  CALIBRE   Selfwinding Calibre 2385  
  TOTAL DIAMETER   26.2 mm (11½ lignes)  
  FREQUENCY OF BALANCE WHEEL   3.00 Hz (21,600 vibrations/hour)  
  TYPE OF OSCILLATING WEIGHT   Monobloc in 18-carat gold  
  NUMBER OF JEWELS   37  
  TYPE OF BALANCE-SPRING STUD-HOLDER   Mobile stud  
  POWER RESERVE   40 hours  
  BALANCE-SPRING TYPE   Annular  
  DIRECTION OF AUTOMATIC WINDING   Unidirectional (see recommendations underneath)  
  NUMBER OF PARTS   304  
  FUNCTIONS   Chronograph, hours, minutes, small seconds and date.  
         
  BRACELET  
         
  BRACELET   Stainless steel bracelet with AP folding clasp

 

 
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