Rolex
Day-Date 36 118346-0027— lug 20mm

The Rolex Day-Date 36 reference 118346-0027 has a lug width of 20mm. This measurement is standard across the entire Day-Date 36 family and should be verified with a digital calliper placed inside the lugs before purchasing an aftermarket strap.

For a platinum 950 Day-Date 36, a vegetable-tanned alligator strap with belly grain is the most coherent choice given the watch's formal character. Alternatively, shell cordovan offers a dense texture and deep reflections that complement the cold neutrality of platinum. For less formal settings, polished box-calf leather is an elegant and versatile option.

To replace the strap on a Rolex Day-Date 36, the spring bars must be removed using a thin-bladed spring bar tool. It is advisable to work on a soft surface to protect the platinum lugs from scratches. If you are not experienced with this operation, it is preferable to consult a watchmaker or visit the Casati Milano atelier.

Yes, there are numerous aftermarket straps compatible with the Rolex Day-Date 36 at 20mm lug width. It is important to select straps with ends suited to the geometry of the Day-Date lugs, ideally with a compatible curve. Milanostraps.it offers a selection of handcrafted 20mm straps made from fine leathers with high-quality finishes.

The lifespan of a leather strap depends on the material, frequency of use and maintenance. A quality alligator strap with saddle stitching and wax finish can last between three and six years with regular wear. Shell cordovan, owing to its dense fibrous structure, tends to last longer, developing a characteristic patina over time. Avoiding prolonged contact with water and perspiration significantly extends the strap's life.