Rolex · Day-Date 36

Strap for Day-Date 36 Everose Fluted / Oyster / Oxford MOP

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-0112
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

All Rolex spring barsOpen →

Straps for the Day-Date 36 118235f-0112

Selected for the 20 mm lug width · workshop selection

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The Day-Date 36 118235f-0112, seen from the bench

The Rolex Day-Date 36 118235f-0112 in 18K Everose gold embodies Geneva watchmaking tradition since 1956. It features a 36 mm case with a champagne dial, fixed bezel, and 100 m water resistance. The caliber 3155 automatic movement is COSC-certified chronometer with retrograde day-date function, maintaining ±2 seconds per day accuracy. The 20 mm lug width is critical for strap compatibility and must be measured precisely between the spring bar holes at attachment points.

Frequently asked questions

What is the exact lug width of the Rolex Day-Date 36 118235f-0112?

The lug width of the Day-Date 36 118235f-0112 is precisely 20 millimetres. This is the distance between the centres of the spring bar holes on the lugs. It is essential to verify this tolerance before purchasing an aftermarket strap to ensure proper fit and secure attachment to the watch case.

Which strap material is most suitable for the Rolex Day-Date 36 in rose gold?

Alligator leather is the classic choice for the Day-Date 36 118235f-0112 in rose gold. The natural grain texture creates an elegant contrast with the lustre of the metal whilst maintaining aesthetic proportion. Vegetable-tanned calf and shell cordovan are excellent alternatives for those seeking a naturally aged patina. Alligator durability exceeds 7-8 years with daily wear.

How do I change the strap on my Day-Date 36 118235f-0112 without damaging the case?

The Day-Date 36 uses standard 20 mm spring bars. A dedicated spring bar tool is required to depress the retaining mechanisms and remove the strap without scratching the case. Insert the tool's tip into the small access hole positioned laterally on the spring bar, apply gentle pressure, and slide the old strap outward. Repeat on the opposite side. For installation: insert the new strap's pins into the lug holes and push until you feel the engagement click.

Can I use a compatible 20mm aftermarket strap with my Rolex Day-Date 36?

Yes, provided the strap is certified for 20 mm lug width and the leather shoulders respect the case width (typically 18-19 mm). High-quality aftermarket straps, such as those offered by Milano Straps, guarantee precise tolerances. Ensure that the leather shoulders and deployant clasp are proportionally balanced with the case to avoid visual imbalance.

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

Durability depends on material quality and construction. A high-grade alligator strap maintains structural integrity for 7-8 years of daily use. Vegetable-tanned calf typically lasts 5-6 years before replacement becomes advisable. Shell cordovan, whilst robust, develops increased stiffness after 6-7 years that may compromise comfort. Critical factors include sunlight exposure, humidity, and frequency of wear. Periodic replacement is recommended to maintain reliability and aesthetic appeal.

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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