Rolex · Day-Date 36

Strap for Day-Date 36 Everose Gold / Diamond / Brown Ombré - Roman / President

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
Reference128345RBR-0076 (aka: m128345rbr-0076)
FamilyDay-Date 36
MovementRolex caliber 3255 hours, minutes, seconds | date, day | chronometer
Year2024
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 128345RBR-0076 (aka: m128345rbr-0076)

Selected for the 20 mm lug width · workshop selection

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The Day-Date 36 128345RBR-0076 (aka: m128345rbr-0076), seen from the bench

The Day-Date 36 is equipped with the self-winding Calibre 3255 chronometer-certified movement with dual day-date indication. The 36mm case features 20mm lugs. The movement offers hours, minutes, seconds display with day of the week and date complications.

Frequently asked questions

What is the lug width of the Rolex Day-Date 36 reference 128345RBR-0076?

The Rolex Day-Date 36 128345RBR-0076 features a lug width of 20mm. This measurement must be verified using a digital calliper by measuring internally between the lug shoulders. Do not confuse this with the case diameter (36mm) or the final strap thickness.

Which strap is recommended for the rose gold Day-Date 36 128345RBR-0076?

For the rose gold Day-Date 36, ideal strap options include American alligator (dark brown or burgundy), shell cordovan (for deep patina development), calf leather with vegetable tanning (for softness and natural ageing), or FKM rubber (for modern versatility). Selection depends on intended use and desired tone contrast with the rose gold case.

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

Strap replacement requires specialised tools: a strap removal bar and precision screwdriver. Place the watch on a soft surface, locate the pin passing through the lug, gently extract it with the removal bar, slide off the old strap, and insert the new one, ensuring the pin is securely seated. If unsure of technique or lacking proper tools, consult a qualified watchmaker to avoid case damage.

Can I fit an aftermarket strap to a Rolex Day-Date 36 128345RBR-0076?

Yes, provided the strap respects the 20mm lug width specification. High-quality artisanal straps (such as those from Milano Straps) are compatible and legitimate replacements; removing the original strap does not void Rolex warranty. Ensure the new strap has precisely calibrated lugs to eliminate dangerous play.

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

Durability varies by material and usage patterns. Shell cordovan typically lasts 5–8 years with regular maintenance. Vegetable-tanned calf leather usually 3–5 years. Quality alligator 4–6 years. Frequent exposure to humidity, perspiration, and heat accelerates deterioration. Proper care—gentle cleaning with dry soft cloth and occasional clasp lubrication—significantly extends service 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