Technical Archive

Rolex
Day-Date 36 118348-0127— lug 20mm

Rolex Day-Date 36 118348-0127: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Day-Date 36 Yellow Gold Diamonds / Oyster / Paved Roman

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Rolex 118348-0127
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

118348-0127

Movement

Rolex caliber 3155 Hours, Minutes, Seconds | Date, Day | Chronometer

The Heritage

The Rolex Day-Date 36 118348-0127 is a classic wristwatch featuring a 36 mm yellow gold case with an automatic Rolex 3155 movement caliber. Introduced in 1956 as the first wristwatch with a perpetual dual-disc calendar displaying day and date in separate windows, this model established a lasting standard. The watch features an Oyster case with fixed bezel, sapphire crystal, and Twinlock screw-down crown offering 100-meter water resistance. The 20 mm lug width accommodates standard aftermarket straps designed for this reference.

FAQ

What is the lug width of the Rolex Day-Date 36 118348-0127?

The lug width of the Rolex Day-Date 36 118348-0127 is 20 millimetres. This is the distance between the two lugs where the strap attaches. It is essential to verify this measurement before purchasing an aftermarket strap to ensure perfect compatibility and correct aesthetics.

Which strap material is best suited for the Day-Date 36 in yellow gold?

For a Day-Date 36 in yellow gold 118348-0127, we recommend straps in natural alligator or full-grain calf leather. Alligator highlights the watch's precious nature with a refined, regular texture, whilst calf adds character. Avoid sport rubber straps, which are visually incompatible with the dress-watch nature of this timepiece. Strap colours should coordinate with the gold tone: dark brown, mahogany or elegant black.

How do you change the strap on a Rolex Day-Date 36?

Remove the strap using a dedicated tool (spring bar tool or pusterino) to extract the elastic pins from the lugs. Insert the tool into the small lateral hole of the pin, apply gentle pressure and the pin will retract, allowing removal. Repeat for the second pin. Clean the internal lugs of the case before installing the new strap. Always use quality tools to avoid scratches on the gold case.

Is an aftermarket strap compatible with the Rolex Day-Date 36 118348-0127?

Yes, any strap with a 20 millimetre lug width is compatible with the Day-Date 36 118348-0127. However, to maintain the aesthetic integrity and value of the watch, we recommend straps made from noble leathers and with refined construction details. Artisanal straps, such as those available in selection on milanostraps.it, guarantee quality equal to or superior to Rolex OEM straps.

What is the durability of a leather strap for the Day-Date 36?

A high-quality artisanal leather strap, used daily, has an average durability of 3-4 years. Alligator tends to last longer (5-6 years) due to the fibrous structure of the leather. European calf, though softer, can reach the same years if treated with care. Factors such as humidity, perspiration and sun exposure influence longevity. Rotating multiple straps extends the life of each by allowing leather to rest.

The next step

The right strap isn’t chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

By appointment only · Milan

The atelier's website: casatimilano.com