Technical Archive

Rolex
Datejust 36 126200-0022— lug 20mm

Rolex Datejust 36 126200-0022: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Datejust 36 Stainless Steel / Domed / Blue - Fluted / Oyster

Artisanal Note

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

Technical Specifications

Rolex 126200-0022
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

126200-0022

Movement

Rolex caliber 3235 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Rolex Datejust 36 ref. 126200-0022 features a 36 mm stainless steel 904L case paired with the in-house caliber 3235 automatic movement, delivering ±2 seconds daily accuracy and 70 hours power reserve. The watch requires a 20 mm lug width strap. Its domed blue dial and fluted bezel represent the continuity of the lineage begun in 1945 with the first automatic chronograph featuring a date window.

FAQ

What is the lug width of the Rolex Datejust 36 126200-0022?

The lug width of the Rolex Datejust 36 126200-0022 is 20 millimetres. This measurement represents the internal distance between the two spring bar holes on the case lugs and is the fundamental technical specification for ensuring compatibility with any strap, whether an original Rolex bracelet or an aftermarket strap. Measurement is performed using an internal digital calliper positioned between the lug shoulders.

What is the best strap for the Rolex Datejust 36 126200-0022?

The choice of best strap depends on usage context and aesthetic preference. For a dressy-elegant interpretation, genuine alligator offers prestigious texture and patina that evolves over time. Italian calf, particularly vegetable-tanned, guarantees tactile softness and conformability to the wrist. Shell cordovan introduces structural rigidity and intrinsic lustre ideal for formal occasions. For intensive daily wear, FKM rubber of watchmaking grade ensures thermal resistance and inherent impermeability. Ballistic nylon NATO remains a versatile sporty-elegant solution suited to the 36-millimetre case.

How do you change the strap on a Rolex Datejust 36 126200-0022?

The strap on a Rolex Datejust 36 126200-0022 is changed by extracting the spring bars from the lugs using a dedicated spring bar removal tool. Position the watch horizontally, gently compress the spring bar using the tool, then extract it from the first lug. Repeat the procedure on the opposite side. Once both spring bars are removed, the strap separates from the case. For installation of the new strap, insert the spring bars in reverse sequence, ensuring they are fully seated within the lug shoulders.

Can I use an aftermarket-compatible strap on the Rolex Datejust 36 126200-0022?

Yes, any strap with a 20-millimetre lug width is compatible with the Rolex Datejust 36 126200-0022. Quality aftermarket straps—crafted from alligator, calf, shell cordovan or rubber—offer a broad range of aesthetic and functional options. It is essential to select reputable manufacturers who guarantee artisanal workmanship, material quality and constructive stability. Casati Milano atelier offers personalised consultation for bespoke strap selection and production by appointment.

What is the lifespan of a leather strap on the Rolex Datejust 36 126200-0022?

The lifespan of a leather strap depends on material quality, workmanship and conditions of use. A strap crafted from premium-grade alligator or calf, with vegetable tanning, maintains structural integrity and aesthetic appeal for 5-7 years of moderate wear, extendable to 10 years with proper maintenance. Prolonged exposure to moisture, direct heat and perspiration accelerates ageing. FKM rubber, whilst more durable, typically degrades after 3-5 years. Casati Milano provides straps with an 18-month warranty against manufacturing defects and guidance on preventive maintenance.

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.

Request an appointment →

By appointment only · Milan

The atelier's website: casatimilano.com