Rolex · Day-Date 36

Strap for Day-Date 36 Yellow Gold / Diamond / Dark Grey-Diamond / 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
Reference128348RBR-0007 (aka: M128348RBR-0007)
FamilyDay-Date 36
MovementRolex caliber 3255 hours, minutes, seconds | date, day | chronometer
Year2019
CaseYellow 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 128348RBR-0007 (aka: M128348RBR-0007)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Day-Date 36 128348RBR-0007 (aka: M128348RBR-0007), seen from the bench

The Day-Date was introduced in 1956 as the first self-winding wristwatch to display the day and date in full. It is powered by the automatic caliber 3255 with Swiss chronometer certification. The 36mm case features 20mm lugs and includes hour, minute, second, date, and day indications.

Frequently asked questions

What is the lug width of the Rolex Day-Date 36 128348RBR-0007?

The lug width of the Rolex Day-Date 36 128348RBR-0007 is 20 mm. This measurement refers to the internal distance between the two case lugs at the point where the strap attaches, and remains consistent across the entire Day-Date 36 family regardless of case material.

What is the best strap for the Rolex Day-Date 36 128348RBR-0007?

For a yellow gold case such as that of the Day-Date 36 128348RBR-0007, alligator straps in vegetable-tanned leather in camel, cognac or bordeaux tones offer the most coherent sartorial pairing. Shell cordovan with a natural patina is a refined alternative for those who prefer a tighter, denser surface. A deployant clasp in yellow gold coordinates harmoniously with the case and extends strap longevity.

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

The strap on a Rolex Day-Date 36 is removed using a thin-tipped springbar tool inserted into the holes on the lugs. It is advisable to use professional tools with nylon or PTFE tips to avoid scratching the gold case. The operation takes under two minutes but must be performed carefully to avoid deforming the lugs or damaging the case surface.

Are there aftermarket straps compatible with the Rolex Day-Date 36 128348RBR-0007?

Yes. Any strap with a 20 mm lug width and standard springbars is technically compatible with the Rolex Day-Date 36 128348RBR-0007. Milanostraps.it offers a selection of hand-crafted straps with end curvature adapted to Rolex lugs, and noble metal buckles available in various finishes, including yellow gold to match the case directly.

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

The lifespan of a leather strap on a Rolex Day-Date 36 depends on the type of hide and care taken. A high-quality vegetable-tanned alligator strap worn daily and kept away from excessive moisture will maintain its structural and aesthetic integrity for 3 to 5 years. Shell cordovan, owing to the density of its fibres, can exceed 5 years with regular conditioning. The use of specialist leather creams for luxury hides significantly prolongs strap 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.

Request an appointment →

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