Rolex
Lady-Datejust 279174-0019— lug 14mm

The lug width of the Rolex Lady-Datejust 279174-0019 is 14 mm. This measurement is fixed by the Oyster case construction in white gold and stainless steel. Any replacement or aftermarket strap must match this exact dimension to ensure a correct and secure fit.

For the Lady-Datejust 279174-0019 in white gold and steel, a vegetable-tanned alligator strap in cool tones — navy, slate grey, or burgundy — is the most aesthetically coherent choice. The belly grain texture complements the case finish and develops a distinctive patina over time. For less formal wear, boxcalf leather or shell cordovan are technically sound alternatives.

To replace the strap on the Lady-Datejust 279174-0019, you need to remove the spring bars connecting the strap to the case lugs. Use a forked spring bar tool, inserting the tip into the lug slots to compress and release the bar. Work on a soft surface to avoid scratching the case. With a correctly sized 14 mm aftermarket strap, the operation takes under two minutes.

Yes. Any strap with a 14 mm attachment and standard spring bars is technically compatible with the Lady-Datejust 279174-0019. Milano Straps offers a curated selection of artisanal leather, rubber and other straps specifically made for this lug width, with finishes suited to the white gold and steel case.

The lifespan of a leather strap depends on the material, care and frequency of use. A quality vegetable-tanned alligator strap, treated periodically with appropriate conditioners and kept away from prolonged water exposure, can last between three and seven years while retaining structural integrity and appearance. Shell cordovan offers superior longevity due to the density of its fibres. Perspiration and repeated water contact are the main causes of deterioration.