Ref. #26574BA.OO.1220BA.01

Royal Oak PERPETUAL CALENDAR

The Royal Oak Perpetual Calendar combines yellow gold with the most classic complication in all of watchmaking. Day, date, month, astronomical moon, with the week of the year displayed on the dial’s outer chapter ring and the essential leap year indication hold pride of place on the “Grande Tapisserie” decorated dial.

Case

18-carat yellow gold case, glareproofed sapphire crystal and caseback, screw-locked crown, water-resistant to 20 m.

Case Width
41 MM
Case Thickness
9.5 MM
Water Resistance
20 M
Dial

Blue dial with “Grande Tapisserie” pattern, yellow gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezel.

Bracelet

18-carat yellow gold bracelet with AP folding clasp.

The New Geometry of Time

mechanism

Powered by the natural movements of your wrist.

Selfwinding

Complications

Royal Oak PERPETUAL CALENDAR

Specifications

Watch

Ref #26574BA.OO.1220BA.01


Case

18-carat yellow gold case, glareproofed sapphire crystal and caseback, screw-locked crown, water-resistant to 20 m.

Case Width

41 mm

Water Resistance

20 m

Case Thickness

9.5 mm

Dial

Blue dial with “Grande Tapisserie” pattern, yellow gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezel.

Bracelet

18-carat yellow gold bracelet with AP folding clasp.

Calibre

Manufacture 5134

Total diameter

29.00 mm

Frequency of balance wheel

2.75 Hz (19,800 vibrations/hour.)

Number of jewels

38

Calibre

Manufacture 5134

Type of balance-spring stud-holder

Mobile stud-holder.

Power reserve

40 h

Balance-spring type

Balance with variable inertia blocks.

Number of parts

374

Functions

Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes.

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