Rolex
Datejust 36 116238-0072— lug 20mm

The lug width of the Rolex Datejust 36 116238-0072 is 20 millimetres, measured from the inner wall to the inner wall of the lugs on the case. This measurement is consistent across all Datejust 36 models regardless of case material and must be respected precisely to ensure the strap adheres correctly to the spring bars without excessive play or tension.

For a yellow gold Datejust 36, alligator leather is the most natural and established choice: its fine and regular graining, combined with colour that develops towards sandy tones with age, creates perfect aesthetic consonance with the case's preciousness. Alternatively, vegetable-tanned calf leather offers a more contemporary, minimalist interpretation, whilst shell cordovan represents a compromise between formal elegance and practical daily use.

Changing the strap on a Datejust 36 requires a specific tool called a spring bar tool. After positioning the watch on a soft surface, insert the tool's tip into the hole of the spring under each lug, gently compressing the spring, and remove the spring bar. Next, insert the new strap and click the spring bar into the opposite seatings. Operate slowly and with care to avoid scratching the case.

Yes, you can use high-quality aftermarket straps provided they respect the 20-millimetre lug width. Straps made in alligator, calf leather, shell cordovan or rubber by specialist manufacturers (such as those offered by milanostraps.it) often offer superior materials and finishes compared to official Rolex options, whilst guaranteeing perfect compatibility with the case and original spring bars.

The lifespan of a leather strap on a Datejust 36 varies depending on the material and number of hours worn weekly. Quality alligator or calf leather, worn daily, typically has a useful life of 3-5 years before the sole requires replacement. Shell cordovan, due to its superior density, can last 6-7 years. Proper maintenance (avoiding excessive moisture, protecting from perspiration) and rotating with other straps significantly prolongs longevity.