Tudor · Royal

Strap for Royal Day-Date 41 Stainless Steel / Yellow Gold / Black - Roman

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter41 mm
Reference28603-0003 (aka: M28603-0003)
FamilyRoyal
MovementTudor caliber T603 hours, minutes, seconds | date, day
Year2020
CaseYellow Gold, Stainless Steel

Recommended spring bar

Modern Tudor 22mm spring bars — factory specification

Technical match for lug width and diameter · lug 22 mm · Ø 1.8 mm

All Tudor spring barsOpen →

Straps for the Royal 28603-0003 (aka: M28603-0003)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Royal 28603-0003 (aka: M28603-0003), seen from the bench

The Tudor Royal 28603-0003 is a refined interpretation of Tudor's Royal collection, housed in a 41mm bicolor case combining stainless steel 316L and yellow gold. It features the Tudor T603 chronometric movement and a day-date complication integrated into the dial. The 22mm lug width ensures balanced proportions on contemporary wrists, blending sport heritage with dress versatility for professional and casual contexts.

Frequently asked questions

What is the lug width of the Tudor Royal 28603-0003?

The lug width of the Tudor Royal 28603-0003 is 22 millimetres. This specification is essential for selecting compatible straps: a 22mm strap fits perfectly into the spring bar attachments on the case, ensuring structural stability and long-term durability.

Which strap is recommended for the Tudor Royal 28603-0003?

For the Royal 28603-0003, an alligator strap in cognac or dark brown represents the most refined solution, capable of enhancing the two-tone case. Alternatively, a smooth calf leather in brown or black offers elegance with daily practicality, whilst a NATO fabric strap adds sporting versatility.

How do you change the strap on a Tudor watch?

Strap replacement involves removing the spring bars that secure the strap to the case. Using a dedicated spring bar tool, release the bar mechanism and extract the old strap, then position the new 22mm strap, align it with the attachments, and press until the locking click occurs.

Can I use an aftermarket strap on my Tudor Royal 28603-0003?

Yes, any 22-millimetre strap is compatible with the Tudor Royal 28603-0003, provided it is constructed with correct attachments and standard spring bars. Artisanal straps crafted from superior leathers (alligator, shell cordovan, calf) represent a significant aesthetic upgrade over the original factory strap.

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

The lifespan of a leather strap depends on daily usage, material, and maintenance. An alligator or shell cordovan of quality typically lasts 3–5 years of intensive use; calf, being softer, wears more rapidly (1–3 years). Regular maintenance (air-drying, conditioning with specialist creams) significantly extends longevity.

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