Rolex
Datejust 41 126331-0015— lug 21mm

The lug width of the Rolex Datejust 41 126331-0015 is 21 millimetres. This measurement is specific to the 41mm case model and is essential for ordering a compatible strap. It is measured in the inner groove between the two lugs of the case.

For the Datejust 41 126331-0015, we recommend alligator straps (regular pattern, refined aesthetics), calf leather (soft leather with natural patina evolution) or vegetable-tanned leather (sustainable, distinctive character). Choice depends on usage and desired aesthetics. For sporty versions, NATO and rubber are alternatives, though the Datejust remains conceptually a dress watch.

The Datejust 41 strap is changed via spring bars. A specific spring bar tool or replacement device is required: insert it into the small slot beneath the lug to compress the spring and remove the old strap. Reinsert the spring into the new strap and align with the case lugs. We recommend having this done by a qualified watchmaker to avoid damage.

Any strap with a 21mm lug width is compatible with the 126331-0015. Visit milanostraps.it's online collection dedicated to 21mm straps, where you will find solutions in alligator, calf, shell cordovan and vegetable-tanned leather, as well as sporty options in NATO and rubber.

Durability depends on material and usage. A quality alligator strap, with regular maintenance, lasts 5-7 years of daily wear. Vegetable-tanned calf (tannin-tanned) has similar longevity but develops a patina that communicates the passage of time. Vulcanised rubber resists for 3-5 years before stiffening. The artisanal quality of milanostraps.it straps, with 18-month warranty, ensures above-average market durability.