Rolex · Datejust 36

Strap for Datejust 36 Stainless Steel Domed / Oyster / Silver Arabic

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
Reference116200-0074
FamilyDatejust 36
MovementRolex caliber 3135 Hours, Minutes, Seconds | Chronometer
CaseStainless 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 116200-0074

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Datejust 36 116200-0074, seen from the bench

The Datejust was introduced in 1945 as the first automatic watch with a date display. It features the automatic caliber 3135, chronometer-certified, with hour, minute and second functions. The case measures 36mm with 20mm lugs.

Frequently asked questions

What is the lug width of the Rolex Datejust 36 116200-0074?

The Rolex Datejust 36 with reference 116200-0074 features a lug width of 20 millimetres. This dimension is the internal space between the lugs of the case and determines compatibility with any aftermarket strap. You can verify it independently by measuring the internal distance between the two lugs using a digital calliper. All our straps for this size are engineered to fit perfectly without forcing or modification.

What is the best strap for the Datejust 36 116200-0074?

There is no universal answer; it depends on your lifestyle and occasions. Alligator leather represents the noblest choice for formal contexts: it develops a unique patina and communicates effortless elegance. Fine-grain calf leather offers versatility and simplified maintenance, ideal if you desire a practical formal strap. For daily wear with character, a cotton NATO fabric emphasises the 36mm's accessibility. FKM rubber is the solution for those who engage in sports or swimming. We recommend evaluating the dial and your wardrobe: cognac alligator pairs beautifully with the silver dial of the 116200-0074 in business contexts.

How do you change the strap on a Rolex Datejust 36?

Strap replacement requires simplicity but attentiveness. Procure a spring bar tool (specific implement for the lug bars) and position the watch on a stable surface. Insert the flat tip of the tool into the lug aperture, pushing gently downward to compress the internal spring of the lug bar. Pull the strap towards you whilst maintaining pressure: the lug bar will pop free. Repeat on the opposite side. To install the new strap, insert the lug bar into the lug seat and push until it clicks into position. We recommend performing this on a soft surface to avoid scratching the case.

Is an aftermarket strap compatible with the Rolex Datejust 36 116200-0074?

Yes, provided it is specifically engineered for a 20mm lug width. All high-quality handcrafted straps constructed for this dimension fit the Datejust 36 perfectly, in both aesthetics and functionality. Compatibility depends exclusively on lug width, not the watch brand. Many collectors prefer aftermarket straps because they allow expression of personality and enable adaptation of the watch to different contexts whilst maintaining perfect proportional balance. At Casati Milano we offer personalised handcrafted straps in fine leather, with the possibility to select the material at the atelier and follow production via WhatsApp.

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

The lifespan of a leather strap depends on the type of hide, usage and maintenance. High-quality alligator leather with vegetable tanning and selected skins offers longevity of 5-7 years with daily wear if properly maintained. Fine-grain calf leather exhibits comparable durability, with slightly different wear curves. Natural leather tends to wear at the buckle and wrist-flex zone: this is normal behaviour. To extend strap life, avoid prolonged water exposure, protect from direct heat sources and periodically clean with a soft brush. Our straps from Casati Milano benefit from an 18-month warranty against manufacturing defects, which covers stitch integrity and deployante buckle reliability.

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