Audemars Piguet ROYAL OAK DOUBLE BALANCE WHEEL OPENWORKED-Ref. 15407ST.OO.1220ST.01

The Royal Oak Double Balance wheel Openworked tackles these stabilising issues by fixing a second balance wheel and balance-spring assembly on the same axis. The new patented geometry involves a very complex manufacturing procedure, but the payoff is huge: greatly improved precision and stability.

CASE

Stainless steel case, glareproofed sapphire crystal and caseback, screw-locked crown, water-resistant to 50 m.

• SIZE41 mm
• THICKNESS9.9 mm
• WATER RESISTANCE50 m

DIAL

Slate grey openworked dial, pink gold applied hour-markers and Royal Oak hands with luminescent coating.

BRACELET

Stainless steel bracelet with AP folding clasp.

CALIBRE 3132

• NUMBER OF JEWELS38
• MECHANISMSelfwinding
• POWER RESERVE45 h
• TOTAL DIAMETER26.59 mm
• NUMBER OF PARTS245
• FREQUENCY3 hz 21,600 vph
• THICKNESS4.4 mm

Package: original box with documents/certificate and international warranty