Rolex
Datejust 36 126234-0047— lug 20mm

The lug width (ansa width) of the Rolex Datejust 36 reference 126234-0047 is precisely 20 millimetres. This measurement is specifically calibrated for this reference and reflects Rolex's careful balance between case diameter and visual proportions. To verify lug width correctly, position the measuring tape between the inner edges of both lugs — not across the outer case width or the bezel.

For the two-tone Datejust 36 reference 126234-0047, we recommend first alligator in hazel brown, which creates visual continuity with the white gold and steel case. For maximum formality, Italian black calf leather delivers dramatic contrast. Japanese shell cordovan in rum dark represents a sophisticated alternative that develops patina over time. Avoid vivid colours or printed patterns: the Datejust embodies elegant restraint.

Changing the strap on a Datejust 36 requires a spring bar remover tool to gently depress the lug springs. Position the watch on a soft cloth with case facing upward, locate the small slots at the lug ends where the tool inserts, and apply steady pressure to release the spring. Extract the spring, replace the strap, and reinsert the spring until you hear a click of secure placement. If uncertain, entrust the task to an authorised Rolex centre or specialist craftsman such as Casati Milano.

Yes, it is entirely possible to mount an aftermarket strap on a Datejust 36 provided it respects the 20mm lug width specification precisely. A hand-stitched artisanal strap crafted from fine leather improves aesthetic experience compared to original Rolex straps, offering personalisation, decadal durability, and patina that evolves authentically. Choose brands that guarantee tight tolerances and sartorial construction, not generic or undersized straps.

A high-quality leather strap — alligator, calf, shell cordovan — mounted on a Datejust 36 has a lifespan of 4–8 years in daily use, with variation depending on climate, frequency of wear, and personal care. Humid environments accelerate ageing; rotating between multiple straps extends leather life. The developing patina is treasured by enthusiasts: it is not degradation but aesthetic evolution. A well-crafted artisanal strap with sartorial stitching even permits minor restoration — buckle replacement, re-gluing lugs — further extending durability.