Strap for Day-Date 36 Yellow Gold / Oyster / White Roman

The Rolex Day-Date 36 118238-0162 features a 20-millimetre lug width. This measurement is determined by the lug housing and represents the internal space between the case lugs where the spring bar is inserted. To verify the correct width, you can remove the original strap and measure the internal space with a digital calliper, or consult a professional watchmaker.

Alligator remains the most traditional and sophisticated choice for the Day-Date 36 in yellow gold, thanks to its regular texture and fine grain that elegantly complement the precious metal. Shell cordovan represents an equally distinguished alternative, developing an extraordinary patina that harmonises perfectly with aged yellow gold. Vegetable-tanned calf leather offers an excellent compromise between craftsmanship and practical daily wear, ageing in a controlled and consistent manner.

Strap replacement requires extraction of the spring bar from the case lugs. Using a dedicated tool or a thin screwdriver, compress the internal spring by pushing it outward until it protrudes from the lug. The original strap then slides away freely. To install the new 20mm strap, insert the spring bar into the new strap's seat and align it perpendicular to the case, then push firmly until it clicks into locking position.

Absolutely. A quality artisanal strap with a 20mm lug width is entirely compatible with the 118238-0162. The important factor is ensuring that the spring bar width meets standard specifications (1.8mm diameter) and that the strap has been constructed to precise thickness and flexibility standards for perfect seating without lateral play. Many collectors prefer rotating different straps depending on occasion or season.

A high-quality alligator or shell cordovan strap, subjected to moderate daily wear, typically lasts 10-20 years. More delicate materials such as calf leather may require replacement after 5-8 years of intensive use. Longevity depends on sun exposure, humidity, frequency of wear, and tanning quality. Artisanal straps crafted from high-grade hides using traditional techniques tend to age elegantly rather than degrade, developing patina and character over time.