Rolex
Day-Date 36 118208-0349— lug 20mm

The lug width of the Rolex Day-Date 36 118208-0349 is 20 millimetres. This measurement is essential for aftermarket strap compatibility. To verify it correctly, use a digital calliper and measure the distance between the inner shoulders of the two lugs. A measurement error will result in an incompatible strap.

For the Day-Date 36 118208-0349, vegetable-tanned alligator is recommended, as it offers optimal aesthetic balance with yellow gold and develops a unique patina over time. Alternatively, shell cordovan provides natural lustre that reflects light like gold, whilst grained calf offers softness and practicality in formal contexts. FKM rubber is the option for those seeking practicality without aesthetic compromise.

Changing the strap on the Day-Date 36 118208-0349 requires a spring bar tool. Position the watch on a soft surface, locate the spring bar (small metal spring between the lug and strap), gently compress the end of the spring bar towards the centre of the case, and slide the old strap from the lugs. Insert the new strap in the same position, ensuring the spring bar is fully locked. Avoid forcing to prevent scratching the gold.

Yes, an aftermarket strap with 20mm lug width is fully compatible with the Rolex Day-Date 36 118208-0349, provided the measurement is verified with precision. Artisanal quality straps offer the same durability and comfort as official Rolex straps, with the advantage of personalising the material, colour and texture according to your aesthetic preferences and use context.

A quality artisanal leather strap (alligator, calf, shell cordovan) with traditional vegetable tanning has a lifespan of 3–5 years with regular use 5–6 days per week, if subject to proper maintenance. Continuous exposure to perspiration, intense UV rays and extreme temperatures reduces lifespan. Casati Milano straps offer an 18-month warranty against manufacturing defects; beyond this period, wear is natural and foreseeable.