Rolex
Datejust 36 126283RBR-0031— lug 20mm

The lug width of the Rolex Datejust 36 126283RBR-0031 is 20 mm. This measurement has remained consistent across all generations of the Datejust 36, ensuring broad compatibility with quality aftermarket straps. For a precise measurement, a digital calliper should be placed between the lugs at the narrowest point closest to the case.

For the yellow Rolesor version, the most suitable materials are polished alligator in warm tones (tobacco, cognac, dark brown) and vegetable-tanned calf leather. Alligator enhances the bi-metal nobility through its scale texture and progressive patina. For versatile daily wear, a structured calf strap with contrast stitching offers durability and character without adding bulk to the wrist. A deployant clasp in steel or gold-tone is recommended to preserve the leather strap over time.

The Rolex Datejust 36 uses standard spring bar lugs. Removal requires a fine-tip spring bar tool (preferably a forked tip of 0.8 mm) to release the bars from the lugs without scratching the case. Work on a soft surface with adequate lighting. If you are not confident performing this operation, any qualified watchmaker or the Casati Milano atelier can carry it out safely.

Yes. Any strap with a 20 mm lug width is technically compatible with the Datejust 36. Craftsmanship quality makes a significant difference: a bespoke alligator or cordovan strap respects the curve of the Oyster lugs and ensures a precise lug-to-wrist fit. Milano Straps offers a curated selection of compatible 20mm straps, available both online and in bespoke form at the Casati Milano atelier.

The lifespan of a leather strap depends on material, frequency of use, and maintenance. A quality vegetable-tanned alligator strap, rotated with other straps and kept away from water and excessive perspiration, can last 5 to 10 years while retaining its structural and aesthetic integrity. Cordovan tends to be even more durable due to its dense fibre structure. Periodic application of a neutral conditioner and avoidance of prolonged direct sunlight are recommended. The Casati Milano guarantee covers manufacturing defects for 18 months.