Strap for Day-Date 36 Yellow Gold / Strap / Green

The lug width is 20 millimetres. This is the exact distance between the lugs that attach the strap to the watch case. It is essential to measure this correctly by placing a ruler on the inside of the lugs, from pin to pin, perpendicular to the case. An incorrectly sized strap will not fit properly and could damage the pins.

For a formal day-date in yellow gold, alligator remains the most elegant choice: the granular texture creates refined contrast with the polished case. White, grey, or navy alligator all work excellently. Shell cordovan offers natural colour depth and ages beautifully. Calf leather is ideal if you desire a patina that develops daily through wear. Avoid black, which creates an unnatural visual break with yellow gold.

Position the watch on a soft surface, with the dial facing downwards. Use a spring bar removal tool or fine needle to retract the small elastic spring beneath the lug pin. Extract the pin completely and remove the old strap. Insert the new strap, aligning it with the case lugs, reinsert the pin, and verify that the spring clicks securely on both sides.

Yes, any strap with a 20-millimetre lug width is compatible. However, construction quality varies significantly between manufacturers. Artisanal straps crafted by master saddlers, such as those from Casati Milano, guarantee construction standards that honour the technical precision and aesthetics of the Rolex case. Always verify that the strap is crafted from genuine materials and finished with meticulous attention.

Longevity depends on leather quality, usage, and maintenance. A high-quality alligator or shell cordovan strap lasts approximately 3-5 years with daily wear. Calf leather tends to last 2-3 years as it is slightly softer. The quickest-wearing areas are the passant and edges, subject to constant friction. Regular maintenance—avoid stagnant water, allow natural drying, and condition the leather with specific oils—significantly extends lifespan.