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Audemars Piguet Royal Oak Perpetual Calendar Openworked 150th Anniversary (Titanium)

26585XT.OO.1220XT.01

The Audemars Piguet Royal Oak Perpetual Calendar Openworked 150th Anniversary (Titanium) is a 41 mm titanium integrated-bracelet sports watch with an AP calibre 5135 automatic movement. At a list price of $210,252, only two of the 93 other titanium integrated-bracelet sports watches in production cost more.

All Audemars Piguet watchesIntegrated-bracelet watchesUnder 11 mm thickOn a titanium braceletPerpetual calendarDisplay back
Price
≈$210,252 (CHF 175,000)
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
20 m
Reference
26585XT.OO.1220XT.01
Type
Integrated bracelet
Case diameter
41.0 mm
Thickness
9.9 mm
Origin
Switzerland
Movement
Automatic
Caliber
AP calibre 5135
Power reserve
40 h
Complications
Perpetual calendar, Date
Colour
Grey
Surface treatment
Openworked; BMG bezel, caseback frame and bracelet mid-links
Finish technology
Natural finish
Caseback
BMG (frame); sapphire display back
Nickel-free
Unconfirmed (clasp or buckle material not confirmed)
Bracelet / strap
Titanium bracelet (BMG mid-links)
Matching bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Openworked
Availability
Offered
Status
Current (limited to 150)
Not published
Lug-to-lug, Weight, Hardness, Construction, Lume
High confidence Verified Sep 2026 Source: Audemars Piguet / Monochrome Spec checksGrade Jul 2026Price Aug 2026 medium
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More watches from Audemars Piguet

Audemars Piguet Royal Oak Jumbo Extra-Thin 16202XTAudemars PiguetRoyal Oak Jumbo Extra-Thin 16202XT$112,80039.0 mm8.1 mm thickIntegrated braceletAudemars Piguet Royal Oak Selfwinding Flying Tourbillon 26530TIAudemars PiguetRoyal Oak Selfwinding Flying Tourbillon 26530TI$159,79141.0 mm10.4 mm thickIntegrated braceletAudemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 26420TIAudemars PiguetRoyal Oak Offshore Selfwinding Chronograph 43mm 26420TI$45,90043.0 mm14.4 mm thickIntegrated braceletAudemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 26420IOAudemars PiguetRoyal Oak Offshore Selfwinding Chronograph 43mm 26420IO$47,30043.0 mm14.4 mm thickIntegrated braceletAudemars Piguet Royal Oak Offshore Selfwinding Chronograph 42mm 26238TIAudemars PiguetRoyal Oak Offshore Selfwinding Chronograph 42mm 26238TI$43,20042.0 mm15.2 mm thickIntegrated bracelet
Audemars PiguetRoyal Oak Offshore Selfwinding Chronograph 42mm 26480TI–42.0 mm12.8 mm thickIntegrated bracelet

Frequently asked questions

What grade of titanium is the Audemars Piguet Royal Oak Perpetual Calendar Openworked 150th Anniversary (Titanium)?

The maker confirms titanium but does not publish a grade. The caseback is bmg (frame); sapphire display back.

What size is the Audemars Piguet Royal Oak Perpetual Calendar Openworked 150th Anniversary (Titanium)?

The case is 41 mm across and 9.9 mm thick. It is water resistant to 20 m.

How much does the Audemars Piguet Royal Oak Perpetual Calendar Openworked 150th Anniversary (Titanium) cost, and is it available?

It is in production, at a list price of $210,252.

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