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.
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.
mechanism
Powered by the natural movements of your wrist.
Royal Oak DOUBLE BALANCE WHEEL OPENWORKED
Specifications
Watch
Ref #15407ST.OO.1220ST.01
Case
Stainless steel case, glareproofed sapphire crystal and caseback, screw-locked crown, water-resistant to 50 m.
Case Width
41 mm
Water Resistance
50 m
Case Thickness
9.9 mm
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
Selfwinding Calibre 3132
Total diameter
26.59 mm (11 ¾ lignes)
Frequency of balance wheel
3,00 Hz (21'600 alternances/hour)
Number of jewels
38
Calibre
Selfwinding Calibre 3132
Power reserve
45 h
Number of parts
245
Functions
Hours, minutes, centre seconds
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