Audemars Piguet · Automatic
Caliber AP 7138
Selfwinding perpetual calendar movement, featuring three patented mechanisms, Calibre 7138's functions are adjusted solely with the crown, removing the need for additional tools. Total of 423 parts including 41 jewels.
Technical Specifications
Winding
Automatic
Power Reserve
40 hours
Frequency
19,800 vph (2.8 Hz)
Jewels
41
Diameter
29.6 mm
Watches with this movement(5)

Audemars Piguet
Audemars Piguet - 26674SG.OO.1320SG.01 Royal Oak Perpetual Calendar 41 Sand Gold / Sand Gold
Ref. 26674SG.OO.1320SG.01 · 41 mm

Audemars Piguet
Audemars Piguet - 26441OR.OO.D405CR.01 CODE 11.59 Perpetual Calendar 38 Red Gold / Green
Ref. 26441OR.OO.D405CR.01 · 38 mm

Audemars Piguet
Audemars Piguet - 26494BC.OO.D350KB.01 CODE 11.59 Perpetual Calendar White Gold / Smoked Blue
Ref. 26494BC.OO.D350KB.01 · 41 mm

Audemars Piguet
Audemars Piguet - 26674ST.OO.1320ST.01 Royal Oak Perpetual Calendar 41 Stainless Steel / Blue
Ref. 26674ST.OO.1320ST.01 · 41 mm

Audemars Piguet
Audemars Piguet - 26674CD.OO.1225CD.01 Royal Oak Perpetual Calendar 41 “Bleu Nuit, Nuage 50
Ref. 26674CD.OO.1225CD.01 · 41 mm
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