Rolex · Datejust II

Strap for Rolex Datejust II 116300

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter41 mm
Reference116300
FamilyDatejust II
MovementRolex caliber 3136 hours, minutes, seconds | date | chronometer

Recommended spring bar

Spring bars modern Rolex 21mm × 1.5mm

Technical match for lug width and diameter · lug 21 mm · Ø 1.5 mm · closed lugs

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Straps for the Datejust II 116300

Selected for the 21 mm lug width · workshop selection

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The Datejust II 116300, seen from the bench

The Datejust II reference 116300 features a 41mm stainless steel case with 21mm lugs. It is powered by the Rolex 3136 automatic movement certified as a chronometer and displays the date. The movement offers central hour, minute, second hands and date at 3 o'clock.

Frequently asked questions

What is the lug width of the Rolex Datejust II ref. 116300?

The lug width of the Rolex Datejust II 116300 is 21mm. This measurement is standard across all Datejust II models featuring a 41mm case, whether in date or GMT variants. It is essential to verify the compatibility of any aftermarket strap before purchase by measuring the lug width directly on the case with a calliper.

Which strap is most suitable for the Rolex Datejust II 116300?

For the Datejust II 116300, alligator leather is recommended for maximum elegance, calf leather for naturally evolving patina over time, shell cordovan for a combination of initial rigidity and progressive softening, or FKM rubber for daily wear and sporty contexts. The choice depends on intended use and aesthetic context: solid black for formal occasions, burgundy for dining, dark brown for versatility.

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

Strap replacement on a Rolex Datejust II is accomplished by removing the springbars that connect the strap to the case. Use a dedicated tool to disengage each bar end, extract the old strap, then align the new strap and reinsert the springbars until they click into position. If inexperienced, it is advisable to consult a specialist watchmaker.

Is an aftermarket strap compatible with the Rolex Datejust II 116300?

Yes, any artisanal strap with a 21mm lug width is compatible with the Rolex Datejust II 116300, provided the springbars are standard (typically 1.8mm diameter). It is important to verify measurements provided by the vendor and, if purchased online, check that photographs clearly display specifications. A quality artisanal strap can elevate the ownership experience of the 116300 considerably.

How long does a leather strap last on a Rolex Datejust II?

The lifespan of a leather strap depends on tanning type, frequency of use, and maintenance. Vegetable-tanned calf leather typically lasts 4–6 years with daily wear, whilst alligator or shell cordovan may reach 8–10 years. Prolonged exposure to humidity, perspiration, and heat accelerates ageing. Artisanal straps with noble craftsmanship and production guarantees offer greater reliability than budget alternatives.

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