Technical Archive

Rolex
Datejust 36 116200-0085— lug 20mm

Rolex Datejust 36 116200-0085: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Datejust 36 Stainless Steel Domed / Jubilee / Silver Floral

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Rolex 116200-0085
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

116200-0085

Movement

Rolex caliber 3135 Hours, Minutes, Seconds | Chronometer

The Heritage

The Rolex Datejust 36 116200-0085 exemplifies Swiss watchmaking: refined elegance, reliability, and timeless proportions. Introduced in 1945 and refined over decades, this 36 mm steel case with smooth bezel and Oyster Middle-Case features the caliber 3135, a certified chronometer movement with 48-hour power reserve and 100-meter water resistance. The dial is clean without date window, emphasizing pure watchmaking. The 20 mm lug width is critical for this model, ensuring perfect proportions between case diameter and wrist presence. Constructed in 904L stainless steel with Triplock crown and scratch-resistant sapphire crystal, this watch is built to last generations.

FAQ

What is the lug width of the Rolex Datejust 36 116200-0085?

The Rolex Datejust 36 116200-0085 features a lug width of 20 millimetres. This measurement is critical for proper strap installation: the distance between the vertical lugs of the case must be exactly 20 mm to ensure a perfect fit without mechanical play. It is essential to verify this measurement before ordering an aftermarket strap, as an 18 mm or 22 mm lug width would be inadequate both aesthetically and functionally.

Which strap is most suitable for the Rolex Datejust 36 116200-0085?

For the Datejust 36 116200-0085, the ideal strap depends on intended use. Alligator in dark shades (cognac, tobacco) is ideal for formal environments, as the regular grain contrasts elegantly with the steel case. Artisanal calf leather represents the most versatile choice for daily wear, developing characteristic patina over time. Shell cordovan, whilst more delicate, offers unparalleled aesthetic excellence for those who appreciate leather craftsmanship. A cotton NATO strap remains perfect for summer, maintaining the watch's formal sobriety.

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

The Datejust 36 strap is changed by removing the two spring bars that connect the strap to the case lugs. Using a specific tool (spring bar tool or precision remover), push the small safety hook inward and extract the spring bar. It is advisable to work on a flat surface with magnification to avoid scratching the case. After installing the new strap, verify that the spring bars are fully inserted and retained by their safety hooks.

Is an aftermarket strap compatible with the Rolex Datejust 36 116200-0085?

Yes, an aftermarket strap is fully compatible with the Datejust 36 116200-0085 provided it strictly respects the 20 mm lug width specification. Artisanal quality straps, such as those in alligator, shell cordovan or vegetable-tanned calf, not only fit perfectly mechanically but often enhance daily usability by offering greater comfort and unique aesthetic patina over time. Avoid low-quality straps that could damage the case with scratches during installation.

How long does a leather strap last on a Rolex Datejust 36?

The lifespan of a leather strap depends on material quality and intensity of use. An artisanal alligator or shell cordovan strap typically lasts 3-5 years with moderate daily use, developing a fascinating patina over time that increases aesthetic value. Artisanal calf leather has similar longevity, whilst budget materials may degrade within 12-18 months. Maintenance is essential: avoid prolonged moisture exposure, gently clean with a soft cloth and periodically condition with oils specifically formulated for watch leather.

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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By appointment only · Milan

The atelier's website: casatimilano.com