Rolex · Datejust II

Strap for Datejust II Rolesor Ivory Diamonds

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
Reference116333-0008
FamilyDatejust II
MovementRolex caliber 3136 Hours, Minutes, Seconds | Date | Chronometer
CaseYellow Gold, Stainless Steel

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 116333-0008

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Datejust II 116333-0008, seen from the bench

The Rolex Datejust II 116333-0008 is a two-tone watch combining yellow gold and stainless steel 904L, featuring a 41mm case diameter and 21mm lug width. Launched in 2009, it houses the automatic caliber 3136 chronometer movement with 28,800 vph and approximately 48 hours power reserve. The case includes a yellow gold bezel, flange, and crown, with a 12.5mm thickness, 100m water resistance, and sapphire anti-reflective crystal. The distinctive Cyclops lens magnifies the date window for enhanced readability.

Frequently asked questions

What is the exact lug width of the Rolex Datejust II 116333-0008?

The lug width of the Rolex Datejust II 116333-0008 is 21 millimetres. This measurement identifies the model within its generation and represents the standard for watches with a diameter exceeding 40 millimetres. To verify the lug width, measure the distance between the inner shoulders of the watch lugs using a tailor's tape or calliper. Any strap with a 21mm lug width will be compatible with this model.

Which strap material is most suitable for the two-tone Datejust II 116333-0008?

For the two-tone Datejust II with yellow gold and stainless steel, Nile alligator represents the most elegant choice: its fine grain emphasises the balance of the metal masses. Italian calf leather with vegetable tanning offers natural ageing and deep patina. Japanese shell cordovan delivers unparalleled beauty with fine grain and natural elasticity. In sporty contexts, FKM rubber or NATO fabric maintain sportiness without compromising two-tone elegance.

How do I change the strap on a Rolex Datejust II 116333-0008?

Strap replacement requires removal of the spring bar from the upper and lower lugs. Use a flat-edged tool or spring bar tool to gently compress the ends of the spring bar and free it from the lug seats. Insert the new spring bar, aligning it with the lug seats, and press until you hear a click. If you do not regularly perform this operation, we recommend entrusting the task to an authorised Rolex service centre to avoid damaging the case.

Can I use an aftermarket compatible strap on my Datejust II 116333-0008?

Yes, any quality strap with a 21mm lug width is compatible with the Datejust II 116333-0008. Premium leather straps from specialist suppliers—such as alligator, shell cordovan, or vegetable-tanned calf—represent a qualitative upgrade over the original Oyster bracelet, offering chromatic versatility and personalised comfort without compromising the watch's integrity.

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

Leather strap longevity depends on material and usage. Quality alligator lasts 3-5 years with daily wear; Japanese shell cordovan can last 5-7 years if not subjected to excessive stress; Italian vegetable-tanned calf maintains durability for 4-6 years. Exposure to water, intense humidity, and perspiration shortens lifespan. Casati Milano straps come with an 18-month warranty on manufacturing defects and can be easily replaced thanks to the simplicity of the operation and the universal compatibility of the 21mm lug width.

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