Technical Archive

Rolex
Datejust II 116334-0001— lug 21mm

Rolex Datejust II 116334-0001: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Datejust II Fluted Rhodium

Artisanal Note

"This model requires a precise 21mm lug width to preserve the original sartorial balance."

Technical Specifications

Rolex 116334-0001
Lug Width
21 mm

The essential strap measurement.

Browse 21mm straps →
Reference

116334-0001

Movement

Rolex caliber 3136 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Datejust II represents the evolution of the classic Datejust with increased dimensions. It features the automatic caliber 3136 certified chronometer with indication of hours, minutes, seconds and date. The case has 21mm lugs for the strap or bracelet.

FAQ

What is the lug width of the Rolex Datejust II 116334-0001?

The lug width of the Rolex Datejust II 116334-0001 is 21 millimetres. This measurement corresponds to the distance between the inner shoulders of the two lugs on the case and is essential for correct watch band compatibility. Precise measurement with a digital calliper is crucial, as even minor deviations would compromise the aesthetics or result in fitting difficulties.

Which watch strap is best suited for the Rolex Datejust II 116334-0001?

For the Datejust II 116334-0001, alligator leather is the most versatile choice thanks to its fine grain that does not compete with the two-tone case. A medium brown or cognac alligator strap enhances the blue dial, creating contrast, whilst calfskin with vegetable tanning offers sophistication and natural patina development. For formal elegance, shell cordovan introduces structural rigidity; for sporty practicality, a NATO or FKM rubber strap ensures water resistance and versatility.

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

The strap on a Rolex Datejust II is removed by extracting the spring bars that connect the strap to the case lugs. Using a dedicated tool or a wooden toothpick, press the spring bar towards the case centre to release one end, then remove the strap carefully. This operation requires precision to avoid scratching the case. Installing a new strap follows the reverse procedure, ensuring perfect alignment of the spring bars in the lug slots.

Is an aftermarket strap compatible with the Rolex Datejust II 116334-0001?

Yes, any strap with a 21mm lug width is compatible with the Datejust II 116334-0001. Artisan-crafted straps of quality, such as those offered by Casati Milano, fit perfectly whilst maintaining construction precision. It is important to verify that the strap has been manufactured with care and that the materials—leather, metals, and spring bars—are befitting the value and elegance of the watch.

How long does a leather strap last on a Rolex watch?

The lifespan of a leather strap depends on material quality, intensity of use, and maintenance. A high-quality artisan alligator or calfskin strap typically lasts between 3 and 7 years under normal daily wear conditions. Shell cordovan, thanks to its rigidity, may last longer. Prolonged exposure to sunlight, perspiration, and humidity accelerates ageing. Casati Milano straps are warranted against manufacturing defects for 18 months, and regular maintenance—cleaning with a damp cloth and periodic conditioning—significantly extends the strap's service 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.

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