Tudor · Royal
Strap for Royal Date 34 Stainless Steel / Yellow Gold / Chocolate - Roman
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Royal 28403-0008 (aka: M28403-0008)
Selected for the 22 mm lug width · workshop selection
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Strap Light Blue€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Vintage Olive Green Calf Leather Watch Strap€80
Hammered Black Calfskin Strap — Ecru Stitching€98
The Royal 28403-0008 (aka: M28403-0008), seen from the bench
Frequently asked questions
What is the lug width of the Tudor Royal 28403-0008?
The Tudor Royal 28403-0008 features a lug width of 22mm. This measurement is specific to this model and not interchangeable with common standards such as 20mm or 24mm. To verify it, use a calliper to measure the distance between the inner edges of the watch's lugs.
Which strap is most suitable for the Tudor Royal 28403-0008?
For the Royal 28403-0008, we recommend straps in alligator or shell cordovan with vegetable tanning, which emphasise the model's classical-sporting character and develop a patina over time consistent with the bi-colour gold/steel case. Dark brown calf leather remains the most versatile choice for daily wear.
How do I change the strap on my Tudor Royal 28403-0008?
Strap changing requires a spring bar tool. Position the tool's tip in the lug hole to compress the internal spring bar, then slide the strap out of the lug. Repeat for the other side. Insert the new strap by aligning its lug holes to the lugs and release the spring bar. If in doubt, consult a watchmaker.
Can I fit an aftermarket strap to a Tudor Royal 28403-0008?
Yes, provided the strap has a 22mm lug width and suitable lugs. Avoid straps with adjustable or variable lugs, which compromise stability. High-quality artisanal 22mm straps guarantee complete compatibility and allow aesthetic customisations impossible with factory straps.
How long does a leather strap last on a Tudor Royal 28403-0008?
A vegetable-tanned leather strap lasts 3-5 years with daily wear, developing an aesthetic patina over time. Lifespan depends on usage intensity, climatic conditions and maintenance. Noble leathers such as shell cordovan can last 7-10 years. Replacement is straightforward and recommended when the leather shows significant wear at the edges or main body.
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 →Casati Milano · Via XX Settembre 15, Milan · by appointment only

