The Wristwatch 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 grey titanium (grade undisclosed) case, finished with openworked; bmg bezel, caseback and studs. It measures 41.0 mm across, 9.9 mm thick, and is water resistant to 20 m. Inside is the AP Calibre 5135 automatic (perpetual calendar) movement, with 40 h power reserve. Complications: Perpetual calendar, Date. Priced from $232,000 (approx (CHF 180,300); titanium with BMG bezel). Brand origin: Switzerland.

Titanium, ceramic, and bronze integrated bracelet watchesTitaniumDisplay back
Reference
26685XT.OO.1320XT.01
Type
Integrated bracelet
Price
$232,000 · approx (CHF 180,300); titanium with BMG bezel
Case diameter
41.0 mm
Thickness
9.9 mm
Lug-to-lug
Water resistance
20 m
Weight
Origin
Switzerland
Movement
Automatic (perpetual calendar)
Caliber
AP Calibre 5135
Power reserve
40 h
Complications
Perpetual calendar, Date
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Colour
Grey
Hardness
Construction
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)
Matching bracelet
Standard
Crystal
Sapphire, AR coated
Display back
Yes
Dial
Sapphire openworked
Lume
Availability
Offered
Status
Current
Medium confidence Verified Jul 2026 Source: Luxury Bazaar Maker / listing ↗
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Frequently asked questions

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

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

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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