Audemars Piguet
CODE 11.59 15210ST.OO.A056KB.01— lug 20mm

The lug width of the CODE 11.59 15210ST.OO.A056KB.01 measures 20 mm. To verify, place a digital caliper or millimeter ruler between the two lugs at the narrowest attachment point, where the spring bar is inserted. All 20 mm straps are compatible with this reference.

For the CODE 11.59 15210ST.OO.A056KB.01 in steel, a smooth alligator strap in midnight blue, anthracite gray, or burgundy enhances the complex case geometry without overwhelming its visual presence. Tobacco brown grained calfskin is the most versatile choice for daily wear. Low-profile vulcanized rubber suits those seeking comfort and durability without sacrificing the watch's contemporary aesthetics.

The CODE 11.59 15210ST.OO.A056KB.01 strap is secured with standard 20 mm spring bars. Replacement requires a spring bar tool: compress the bar laterally, remove the old strap, and insert the new one. The operation is reversible and requires no movement work. When in doubt, consult a watchmaker or the Casati Milano atelier.

Yes, the CODE 11.59 15210ST.OO.A056KB.01 uses standard 20 mm spring bars, making it compatible with the full aftermarket offering for this size. Milano Straps offers a selection of handcrafted leather, rubber, and nylon straps designed specifically for high-end watches with 20 mm lugs, including versions with pre-curved ends suited to the CODE 11.59 lug geometry.

Leather strap durability depends on material type and frequency of use. A quality alligator strap, worn in rotation with other watches, can last 3 to 5 years with intact structure. Grained calfskin, being more porous, develops patina and wear marks more quickly—typically 18 to 36 months with daily use. Casati Milano straps carry an 18-month warranty against manufacturing defects. Avoiding prolonged contact with water and perspiration significantly extends strap lifespan.