Rolex · Datejust 41

Strap for Datejust 41 Rolesor Everose Smooth / Oyster / Sundust - Diamond

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
Reference126301-0007
FamilyDatejust 41
MovementRolex caliber 3235 hours, minutes, seconds | date | chronometer
Year2016
CaseRose 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 41 126301-0007

Selected for the 21 mm lug width · workshop selection

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The Datejust 41 126301-0007, seen from the bench

The Rolex Datejust 41 model 126301-0007 represents the contemporary evolution of a line established in 1945 as the first wristwatch with an automatic calendar complication recognized as a chronometer. This reference combines Everose gold and stainless steel on the same 41 mm case with 12.5 mm thickness. The in-house caliber 3235 features 31 jewels, Chronergy escapement, and 70-hour power reserve at 3 Hz oscillation. The 21 mm lug width is the precise distance between lugs connecting the strap to the case horns. Water resistance reaches 100 meters for daily use.

Frequently asked questions

What is the lug width of the Rolex Datejust 41 126301-0007?

The Rolex Datejust 41 reference 126301-0007 features a lug width of 21 millimetres. This measurement specifies the exact distance between the spring bars that attach the strap to the lugs. Always verify this dimension using a digital calliper, measuring from inside to inside between the passants, before ordering an aftermarket strap.

What is the best strap for the Datejust 41 126301-0007?

For the Datejust 41 with two-tone rose gold and stainless steel case, dark brown alligator or shell cordovan straps represent the most coherent choices. Alligator delivers formal elegance with pronounced grain, whilst cordovan provides controlled ageing and unique patina development. Black remains universally refined. Selection depends on intended frequency and desired aesthetic.

How do you change the strap on a Rolex Datejust 41?

Strap replacement requires a spring bar tool (strap tool), available through specialist craftsmen or Casati Milano. Insert the spring bar beneath the attachment pin to compress the internal spring, extract the existing strap from the lug, and insert the new one. This operation should be entrusted to professionals to avoid case damage. Casati Milano performs the service by appointment at the Milan atelier.

Is an aftermarket 21mm strap compatible with the Datejust 41 126301-0007?

Yes, any strap with 21mm lug width is mechanically compatible with the 126301-0007. However, aesthetic compatibility depends on construction quality, leather curvature, and chromatic coherence with the two-tone case. Milano Straps offers pre-verified selections, and Casati Milano customises saritorially for perfect matching.

How long does a leather strap last on the Rolex Datejust 41?

The lifespan of a quality leather strap depends on frequency of use and exposure environments. Alligator and shell cordovan maintain structural integrity for 3–5 years with daily wear. Vegetable-tanned calf typically lasts 2–3 years. Factors including humidity, sunlight exposure, and perspiration accelerate deterioration. Casati Milano provides 18-month warranty on manufacturing defects and maintenance consultation.

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