The Titanium Field Guide

Audemars Piguet Royal Oak Selfwinding Perpetual Calendar Openworked 41mm 26685XT

26685XT.OO.1320XT.01

The Audemars Piguet Royal Oak Selfwinding Perpetual Calendar Openworked 41mm 26685XT is a current-production integrated bracelet watch with a Titanium (grade undisclosed) case, finished with openworked; bmg bezel, caseback and studs. It is priced well above the $13,200 median for the category. The caseback is open, so the movement is visible.

Titanium integrated bracelet watchesUnder 11 mm thickPerpetual calendarDisplay back
Price
$232,000
Titanium
Titanium (grade undisclosed)
Water resistance
20 m
Reference
26685XT.OO.1320XT.01
Type
Integrated bracelet
Case diameter
41.0 mm
Thickness
9.9 mm
Origin
Switzerland
Movement
Automatic (perpetual calendar)
Caliber
AP Calibre 5135
Power reserve
40 h
Complications
Perpetual calendar, Date
Case shape
Octagonal
Case colour
Natural / grey
Finish technology
Natural finish
Surface treatment
Openworked; BMG bezel, caseback and studs
Caseback
Sapphire
Nickel-free
Not verified (clasp or buckle material not confirmed)
Bracelet / strap
Titanium (BMG mid-links)
Crystal
Sapphire, AR coated
Display back
Yes
Dial
Sapphire openworked
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Titanium bracelet, Lume Help verify
Medium confidence Verified Jul 2026 Source: Luxury Bazaar Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What grade of titanium is the Audemars Piguet Royal Oak Selfwinding Perpetual Calendar Openworked 41mm 26685XT?

The Audemars Piguet Royal Oak Selfwinding Perpetual Calendar Openworked 41mm 26685XT has a Titanium (grade undisclosed) case with a sapphire caseback. It is recorded at medium confidence pending a maker-stated grade.

What size is the Audemars Piguet Royal Oak Selfwinding Perpetual Calendar Openworked 41mm 26685XT?

It is 41.0 mm in diameter, 9.9 mm thick, and water resistant to 20 m.

How much does the Audemars Piguet Royal Oak Selfwinding Perpetual Calendar Openworked 41mm 26685XT cost, and is it available?

It is current-production and lists from $232,000.

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