Rolex
Day-Date 36 118348-0147— lug 20mm

The lug width of the Day-Date 36 118348-0147 is 20mm. This dimension is the standard for all contemporary Day-Date 36 models and represents the internal distance between the two lugs of the case where the strap is attached. To verify it, measure the internal space between the upper lugs of the case: it must be exactly 20mm.

For the yellow gold of the 118348-0147, Nile crocodile leather is the most aesthetically coherent choice: the regular grain contrasts elegantly with the case. Alternatively, full-grain calf with vegetable tanning ages beautifully, developing a golden patina. For daily use, a structured rubber strap maintains a sporty-elegant context. The choice depends on your use case and personal maintenance preferences.

The process is straightforward: using a suitable tool (such as a milanese strap changer or spring bar tool), locate the elastic pins (spring bars) that connect the strap to the lugs. Press the spring gently inward and slide the pin out of the lug. Repeat on the other side. Insert the new strap by aligning the holes with the pins, press until it clicks. Verify that the strap is symmetrical.

Yes, any quality strap with a 20mm lug width is compatible with the 118348-0147. The important thing is to verify the lug width before purchase. Artisanal straps in crocodile, calf, or rubber adapt with the same precision as the original Rolex President bracelet, maintaining solidity and comfort.

Durability depends on material and use. Crocodile and full-grain calf with vegetable tanning maintain structural integrity for 3-5 years of daily use. Shell cordovan lasts longer but requires maintenance. FKM rubber has similar durability but degrades with intense sun exposure. Regular maintenance (conditioning with specific creams, air drying after water exposure) significantly extends the strap's lifespan.