Rolex · Datejust 36

Strap for Datejust 36 Rolesor Yellow Fluted / Oyster / Silver Diamonds

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
Reference116233-0179
FamilyDatejust 36
MovementRolex caliber 3135 Hours, Minutes, Seconds | Chronometer
CaseYellow Gold, Stainless Steel

Recommended spring bar

Modern Rolex spring bars 20mm — 1.5mm diameter

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

All Rolex spring barsOpen →

Straps for the Datejust 36 116233-0179

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Datejust 36 116233-0179, seen from the bench

The Datejust 36 reference 116233-0179 features the automatic caliber 3135 with chronometer certification. The 36mm case provides hour, minute and second indication. The lugs have 20mm attachments for the strap.

Frequently asked questions

What is the lug width of the Rolex Datejust 36 116233-0179?

The lug width is 20mm. This measurement is critical for strap selection: it measures the distance between the inner spring bar holes on the case. Any compatible strap must have a 20mm lug width to fit without modification or force.

Which strap is recommended for the Datejust 36 116233-0179?

The Datejust 36 pairs perfectly with vegetable-tanned alligator (dark brown, cognac, or burgundy tones), full-grain calf with aged patina, or a classic canvas NATO with metal buckle. Choice depends on usage: formal, daily wear, or sporty. We recommend visiting the Casati Milano atelier to try different textures and grains on your wrist.

How do I change the strap on the Rolex Datejust 36?

The process is straightforward: use a dedicated spring bar tool to gently press the spring bar from the opposite side until it releases from the case lug. Lift the old strap, align the new strap's holes with the spring bars, and press until the bars sit flush in the lugs. If unfamiliar, Casati Milano offers professional installation by appointment in Milan.

Can I use third-party aftermarket straps on the Datejust 36 116233-0179?

Yes. Any strap with 20mm lug width is compatible: the Rolex Datejust 36 uses no proprietary connectors. Artisanal leather straps in premium materials—alligator, shell cordovan, aged calf—often deliver superior aesthetics and comfort whilst respecting the case proportions.

How long does a natural leather strap last on the Datejust 36?

Lifespan depends on tanning method and wear frequency. A vegetable-tanned alligator or full-grain calf strap lasts 3–5 years with daily wear; longer if rotated with other straps. Patina—the natural oxidation of leather—signals longevity and beauty. Casati Milano guarantees 18 months against manufacturing defects and offers specialist repairs.

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