Rolex
Lady-Datejust 179171-0076— lug 13mm

The Lady-Datejust 179171-0076 occupies a precise position in Rolex genealogy: it is the contemporary expression of an architecture born in 1957, refined decade after decade until reaching a formal coherence difficult to undermine. The Rolesor Everose version — Rolex's proprietary designation for the combination of 904L stainless steel and 18-carat rose gold — is not a simple decorative two-tone finish. It is a metallurgical choice that responds to precise criteria of durability and chromatic rendering: 904L steel, uncommon in the luxury segment for its corrosion resistance, stands alongside rose gold in a proportion studied for the case, bezel, and Jubilee bracelet. The dial and index configuration complete an object that engages with the female wrist without yielding to ornamental excess. The 26mm diameter immediately defines the category of use: a thin wristwatch, designed for specific anatomical proportions, with contained thickness that does not interfere with sartorial pairing. The mechanical heart is the Rolex caliber 2235, an automatic movement with a balance wheel and Parachrom oscillator in niobium-zirconium alloy — impervious to magnetic fields and resistant to shock. COSC chronometric certification guarantees accuracy of −4/+6 seconds per day, a standard exceeded by Rolex itself with its Superlative Chronometer certification (+2/−2 seconds). The date window at 3 o'clock, immediate reading without a Cyclops lens on this reduced format, closes the functional triad of hours-minutes-seconds-date with the customary sobriety of the manufacture. The lug width of 13mm is a binding technical dimension: it is not an aesthetic preference but a constructive specification of the 179171-0076 model. The case lugs are shaped to accommodate straps or bracelets with an exact width of 13mm at the bezel, with a narrowing toward the buckle that varies depending on the strap chosen. To verify it correctly, it is necessary to measure the internal space between the lugs with a digital caliper, positioning the tips in the seat of the spring bar housing — not on the outside of the case. An error of even 0.5mm compromises assembly and fit. All 13mm straps available on milanostraps.it are compatible with this model. For a Rolesor Everose, strap materials are not neutral accessories: they interact with the warm tones of rose gold and the neutrality of steel. Alligator in vegetable tanning is the classic reference for this format: the grain of the belly, fine and symmetrical, recalls the constructive precision of the case without overshadowing it. Shell cordovan offers an alternative of different character — compact surface, nearly mirror-like in finish — suited to those who prefer a more reserved texture and a patina that evolves in time in a personal way. For sports or seasonal use, the NATO strap in technical nylon maintains functionality without weighing down the wrist, while vulcanized rubber with subtle texture ensures water resistance and grip even in informal contexts. A deployante in steel or rose gold completes any choice, eliminating stress on the strap leather at the stitching points. On the plane of chromatic pairing, Rolesor Everose suggests precise directions. A burgundy or dark plum alligator strap amplifies the warm notes of rose gold creating a sophisticated monochromaticism. Cognac brown in smooth calf or pebble grain introduces balanced chromatic separation, maintaining coherence with the metallic tones. Black — in polished or matte alligator — functions as a formal counterpoint, effective in evening pairings. Dove gray and greige, less conventional, valorize the steel-rose gold two-tone without competing with either component. For NATO straps, navy with subtle écru stripe recalls a classical palette that does not force the proportions of the dial. A Rolex deserves a strap of equal quality. With Casati Milano you personally choose the leather in the Milan atelier, follow every production phase via WhatsApp, and receive the strap with an 18-month guarantee against manufacturing defects. A Haute Couture service — by appointment. Or discover right now the compatible 13mm straps available online.