Plate 26. Illustration generated from this record, not a photograph. No lettering or logos. Colours are approximate. Same scale on every plate.

a Bezel: octagonal, Bulk Metallic Glass
b Dial: openworked sapphire, markers: batons, with date
c Case: titanium and Bulk Metallic Glass, octagonal
d Strap: bracelet, titanium

Audemars Piguet · Calendar

Royal Oak Calendario Perpetuo Calado

Name: Audemars Piguet Royal Oak Calendario Perpetuo Calado 26685XT.OO.1320XT.01
Brand: Audemars Piguet
SKU: 26685XT.OO.1320XT.01

Ref. 26685XT.OO.1320XT.01

Machine translation pending human review. Figures and sources match the original.

A perpetual calendar on view thanks to a sapphire disc and a calibre of only 4.1 mm. All settings on calibre 7139 are made from the crown, according to Fratello.

Price unconfirmed

We only publish a price with a source and a date.

Why it matters

Calibre 7139 with 423 components
9.5 mm case
Astronomical moon phase

Specifications

Line: Royal Oak
Year: 2026
Status: In production
Range: Haute horlogerie
Diameter: 41 mm
Thickness: 9.5 mm
Material: titanium and Bulk Metallic Glass
Shape: octagonal
Dial: openworked sapphire
Markers: batons
Date: Yes
Bezel: octagonal, Bulk Metallic Glass
Strap: bracelet, titanium
Calibre: 7139
Movement: Automatic
Power reserve: 55 h
Frequency: 28,800 vph
Jewels: 41
Water resistance: 50 m
Complications: hours, minutes, day of the week, date, week, month, leap year, moon phase, perpetual calendar