Rolex
Datejust 36 126201-0023— lug 20mm

The lug width (misura ansa) of the Rolex Datejust 36 reference 126201-0023 is 20 millimetres. This dimension represents the internal space between the case lugs where the strap is fitted. Precision measurement using a digital calliper is essential, as even a 1mm error would result in incompatible or unstable straps.

For the Datejust 36 126201-0023 in Everose Gold and stainless steel, we recommend dark cognac or aged tobacco alligator if the dial is champagne, for chromatic harmony. With a white dial, black or dark brown alligator creates formality. Anthracite grey calf offers sophisticated modernity. For daily sporty use, black or grey rubber maintains elegance with robustness. Choose a deployante clasp in metal matching the strap material.

The Datejust 36 uses standard bayonet-style lugs. First, remove the crown to release tension, then position the watch horizontally. Using a spring bar tool, insert the tip into the thin slot, push inward to release the spring, and extract the lug pin. Repeat on the opposite side. Install the new strap in reverse, ensuring the springs click securely into both attachment points.

Yes, provided they respect the exact 20mm lug width and are made from verified quality materials. Specialised brands like Casati Milano produce artisanal straps in alligator, calf and cordovan, all compatible and guaranteed. Avoid cheap generic straps: a watch of this category deserves straps that maintain aesthetic value and durability over time. An appointment-based atelier allows you to select the leather and follow the manufacturing process.

Longevity depends on material and usage. Vegetable-tanned alligator lasts 8-12 years with daily care and periodic rest. Box calf, more delicate, requires replacement every 5-8 years with frequent wear. Shell cordovan, extremely dense, reaches 15+ years whilst developing a crystalline patina. Rubber lasts 5-7 years before drying and hardening. Entrust extraordinary maintenance (cleaning, protection) to specialists. Casati Milano offers 18-month warranty on manufacturing defects.