Rolex · Day-Date 36

Strap for Day-Date 36 Everose Fluted / President / Black

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
Reference118235f-0004
FamilyDay-Date 36
MovementRolex caliber 3155 hours, minutes, seconds | date, day | chronometer
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 118235f-0004

Selected for the 20 mm lug width · workshop selection

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The Day-Date 36 118235f-0004, seen from the bench

The Rolex Day-Date 36 ref. 118235f-0004 in Everose gold is a 36mm watch introduced in 1956 as the first wristwatch displaying day and date simultaneously. Powered by the Rolex caliber 3155 movement with 31 jewels, Glucydur balance wheel and Breguet Parachrom hairspring, it achieves COSC chronometer certification with ±2 seconds per day accuracy. The 18k Everose gold case features a fluted bezel set with 44 diamonds and an Oyster profile. Lug width is 20mm.

Frequently asked questions

What is the lug width of the Rolex Day-Date 36 reference 118235f-0004?

The Rolex Day-Date 36 ref. 118235f-0004 has a lug width of 20mm. This measurement is taken at the narrowest point between the case lugs, where the strap or bracelet is attached. Always specify 20mm when ordering any aftermarket strap for this reference.

What is the best strap for the Rolex Day-Date 36 118235f-0004 in rose gold?

For the rose gold Day-Date 36, a ciré alligator strap in bordeaux or cognac offers the most authoritative pairing, with its large-grain texture complementing the warm tones of Everose gold. Box-calf black lacquered leather provides a sharp formal contrast. For casual or outdoor wear, a vulcanised rubber strap in brown maintains chromatic coherence with reduced risk of moisture damage.

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

Changing the strap on the Day-Date 36 requires a fine-tipped spring bar tool to remove the 20mm spring bars seated within the lugs. It is advisable to use a nylon-tipped or coated tool to avoid scratching the rose gold lug surfaces. The operation is fully reversible and does not compromise the case's water resistance.

Are there aftermarket straps compatible with the Rolex Day-Date 36 118235f-0004?

Yes. Any strap with a 20mm attachment and curved ends to follow the profile of the Oyster lugs is compatible with the ref. 118235f-0004. Milanostraps.it offers a curated selection of handcrafted 20mm straps specifically proportioned for the Day-Date 36, available in alligator, calf leather, shell cordovan and other premium materials.

How long does a leather strap last on a Rolex Day-Date 36?

Lifespan depends on the leather chosen and frequency of wear. A quality handcrafted alligator strap with vegetable tanning and hand-finished edges typically lasts between two and four years with regular daily use. Calf leather develops patina more quickly. Exposure to perspiration, water and fragrances accelerates degradation; rotating straps and storing them away from direct light is strongly recommended.

The next step

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