Technical Archive

Audemars Piguet
CODE 11.59 26393ST.OO.A009KB.01— lug 20mm

Audemars Piguet CODE 11.59 26393ST.OO.A009KB.01: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

CODE 11.59 Chronograph Selfwinding Stainless Steel / Grey

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Audemars Piguet 26393ST.OO.A009KB.01
Lug Width
20 mm

The essential strap measurement.

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Reference

26393ST.OO.A009KB.01

Movement

Audemars Piguet caliber AP 4401 Hours, Minutes | Date | Chronograph, Column wheel, Flyback

The Heritage

The Audemars Piguet CODE 11.59 26393ST.OO.A009KB.01 is a stainless steel chronograph with a 41mm hybrid case featuring a round front and octagonal profile. Powered by the in-house caliber AP 4401 automatic movement with column-wheel chronograph and flyback function, it comprises 950 hand-assembled components. The 20mm lug width requires straight or slightly shaped strap ends to ensure proper fit without lateral tension.

FAQ

What is the lug width of the Audemars Piguet CODE 11.59 26393ST.OO.A009KB.01?

The lug width of the Audemars Piguet CODE 11.59 26393ST.OO.A009KB.01 is 20mm. To verify, use a digital caliper positioned between the two lugs on the inner side, in contact with the case. All 20mm straps with straight ends are compatible with this reference.

What is the best strap for the CODE 11.59 26393ST.OO.A009KB.01?

For the CODE 11.59 26393ST.OO.A009KB.01 in steel with flyback chronograph, an alligator strap with semi-matte grain complements the polished case finishing. Alternatively, a matte black rubber strap aligns with the sporty nature of the AP 4401 flyback movement, while Box or Barenia calf leather develops a patina progressively through daily use.

How do you change the strap on the Audemars Piguet CODE 11.59 26393ST.OO.A009KB.01?

The strap on the CODE 11.59 26393ST.OO.A009KB.01 is replaced using standard 20mm spring bars. It is advisable to use a dedicated lever screwdriver or professional tool to avoid scratching the polished case surfaces. For watches in this category, it is recommended to rely on a watchmaker or specialized atelier such as Casati Milano.

Are there aftermarket straps compatible with the Audemars Piguet CODE 11.59 26393ST.OO.A009KB.01?

Yes, any aftermarket 20mm strap with straight ends is compatible with the CODE 11.59 26393ST.OO.A009KB.01. Milano Straps offers a selection of artisanal straps in alligator, calf, rubber, and NATO specifically proportioned for this diameter, with buckles and loops suited to the 41mm case.

How long does a leather strap last on an Audemars Piguet CODE 11.59?

The lifespan of a leather strap depends on the tanning quality, daily use, and maintenance. A high-quality alligator strap, with regular use alternated with other straps, can last 3 to 5 years while maintaining structural and aesthetic integrity. Casati Milano straps are covered by an 18-month warranty against manufacturing defects and feature leather from the finest European tanneries.

The next step

The right strap isn’t chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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