Rolex
Lady-Datejust 279163-0011— lug 14mm

The Rolex Lady-Datejust 279163-0011 has a lug width of 14mm, measured internally between the lug walls at their narrowest point, closest to the case. This dimension is critical when selecting a compatible strap and should be measured with a digital calliper for accuracy.

For the Lady-Datejust 279163-0011 in yellow Rolesor, the most suitable materials are alligator in cognac or bordeaux tones — which complement the warm hues of the yellow gold — and shell cordovan for those who prefer a smooth, densely grained surface. Vegetable-tanned calf leather is the structured alternative for daily wear. A butterfly deployant clasp is recommended to extend strap longevity by distributing opening pressure evenly.

To replace the strap on the Lady-Datejust 279163-0011, use a fine-tipped spring bar tool. Insert the tip into the lug hole to compress the spring bar and release the strap from its seat. Care must be taken to avoid scratching the gold surfaces of the case. If in doubt, consult a watchmaker or the Casati Milano atelier.

Yes. Any strap with a 14mm attachment and standard 1.5mm spring bars is compatible with the Lady-Datejust 279163-0011. Milano Straps offers a curated selection of handcrafted 14mm straps in leather, rubber and fabric, made in Italy with selected materials, requiring no adapters or case modifications.

The lifespan of a leather strap depends on the material, frequency of use and care. A quality alligator strap, worn daily with moderate rotation between multiple straps, retains its structural and aesthetic integrity for 2 to 4 years. Shell cordovan, owing to its fibre density, tends to last longer. Milano Straps offers an 18-month warranty against manufacturing defects on all straps.