Tudor · Black Bay One
Strap for Heritage Black Bay 41 Silver / Bracelet
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 Black Bay One 79540-0011 (aka: M79540-0011)
Selected for the 22 mm lug width · workshop selection
Hammered Pink Strap with Ecru Stitching€98
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered Calfskin Strap Light Blue€98
Dark Brown Calfskin Military Strap€80
Black Saffiano Rubber Strap€105
The Black Bay One 79540-0011 (aka: M79540-0011), seen from the bench
Frequently asked questions
What is the lug width of the Tudor Black Bay One 79540-0011?
The <a href="/pages/termine-glossario/misura-ansa">lug width</a> of the Tudor Black Bay One 79540-0011 is 22mm. This dimension is specific to this model and determines compatibility with aftermarket straps. The lug width is measured in millimetres between the shoulder points of the case, at the exact point where the strap attaches to the watch.
Which strap is recommended for the Tudor Black Bay One 79540-0011?
For the Black Bay One 79540-0011, straps in superior <a href="/pages/termine-glossario/concia-vegetale">vegetable tanning</a> are ideal, particularly in dark brown or black tones. <a href="/pages/termine-glossario/alligatore">Alligator</a> represents a luxury alternative, while NATO cordura straps maintain a more sporting character. Material selection must balance the inherent elegance of the brushed case with a textile proposal that ages naturally.
How do you change the strap on a Tudor Black Bay One?
Strap replacement on the 79540-0011 occurs through removal of the articulation pins (spring bars) from the case lugs. A dedicated spring bar tool is used to lift the pin ends and extract them from their seats. Once the lugs are freed, the previous strap can be removed and replaced with the new one. The procedure requires care to avoid damaging the lug shoulders.
Are compatible 22mm aftermarket straps available?
Yes. On milanostraps.it, a comprehensive range of <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-22mm">22mm straps</a> compatible with the Tudor Black Bay One 79540-0011 is available. Each strap is selected for construction quality and offers customisation options: leather selection, stitching colour, embroidered initials. Straps ship ready for use, with elasticity adjustment already calculated.
What is the lifespan of a natural leather strap for this watch?
A high-quality leather strap, subject to regular rotational use (not worn continuously without interruption), maintains structural integrity for 3–5 years. <a href="/pages/termine-glossario/concia-vegetale">Vegetable-tanned</a> leather ages naturally, developing a patina that increases aesthetic character. Wear depends on climate (humidity, perspiration), frequency of use, and care: periodic drying and occasional application of natural balm substantially extend the functional lifespan of the strap.
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

