Rolex · Day-Date 36

Strap for Day-Date 36 Everose Gold - Fluted / Green Aventurine / President - Diamond

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter36 mm
Reference128235-0069
FamilyDay-Date 36
MovementRolex caliber 3255 hours, minutes, seconds | date, day | chronometer
Year2023
CaseRose Gold

Recommended spring bar

Spring bars Rolex Daytona 116520 — 20mm steel

Technical match for lug width and diameter · lug 20 mm · Ø 1.5 mm · closed lugs

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Straps for the Day-Date 36 128235-0069

Selected for the 20 mm lug width · workshop selection

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The Day-Date 36 128235-0069, seen from the bench

The Rolex Day-Date 36 128235-0069 in 18k rose gold features the calibre 3255 automatic movement with 70-hour power reserve and -2/+2 seconds daily precision. The 36mm rose gold case houses a champagne dial with Mercedes hands and Twinlock crown. Designed in 1956, this model maintains classical proportions and combines the Chronergy escapement with Parachrom niobium-zirconium hairspring for thermal and magnetic resistance. Lug width: 20mm. The rose gold case, bezel, and bracelet develop deeper patina over time with daily wear.

Frequently asked questions

What is the exact lug width of the Rolex Day-Date 36 128235-0069?

The lug width of the Rolex Day-Date 36 128235-0069 is 20mm. This measurement represents the precise distance between the lugs of the case and is essential for strap compatibility. A 20mm strap must fit perfectly without lateral play, ensuring a clean aesthetic transition between the case and strap.

Which strap pairs best with the Day-Date 36 in rose gold?

For the Day-Date 36 in rose gold, alligator leather is the reference choice—the material Rolex uses for official straps. Vegetable-tanned alligator in cognac, deep brown, or bordeaux tones enhances chromatic contrast with rose gold. Alternatively, shell cordovan offers a profound, stratified patina over time, ideal for those seeking a strap that ages nobly. For summer contexts, vegetable-tanned calf in light grey maintains formality with visual lightness.

How is the strap changed on the Rolex Day-Date 36 128235-0069?

The Day-Date 36 uses a standard removable lug pin system. To change the strap, you must use a spring bar tool: insert the small end into the lateral hole of the lug, depress the internal spring slightly, and extract the pins. The new 20mm strap must be inserted ensuring the pins click correctly into both compartments. This operation should be performed with extreme care to avoid scratching the rose gold case.

Is an aftermarket 20mm strap compatible with the 128235-0069?

Yes, any strap with a 20mm lug width is compatible with the Rolex Day-Date 36 128235-0069, provided it meets precise manufacturing tolerances. At Milano Straps you will find a selection of handcrafted straps in alligator, shell cordovan, calf, and rubber, all tested for this measurement. With Casati Milano you can additionally customise the strap entirely, following each phase of construction and choosing leather personally in the atelier.

How long does a leather strap last on a Rolex Day-Date?

Durability depends on material and usage. A quality alligator strap with vegetable tanning typically lasts 4-6 years of daily wear before replacement. Shell cordovan lasts longer—often 8-10 years—owing to fibre density. A calf strap matures more rapidly, but its ageing is part of aesthetic character. With Casati Milano, every strap is guaranteed 18 months against manufacturing defects, and can be professionally serviced to extend useful life.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only