Tudor · Black Bay
Strap for Tudor Black Bay 79220R
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 79220R
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 79220R, seen from the bench
Frequently asked questions
What is the lug width of the Tudor Black Bay 79220R?
The lug width of the Tudor Black Bay 79220R is 22mm. This specification allows the mounting of aftermarket straps in leather, rubber, and canvas without structural modifications. To verify the measurement, position a digital calliper perpendicular to the internal shoulders of the two spring bar seats, excluding the diameter of the pins themselves.
Which strap is recommended for the Tudor Black Bay 79220R?
For the 79220R, a vegetable-tanned leather strap in black or dark brown, in alligator or calf leather, is recommended. Vegetable tanning suits the instrumental identity of the diver, developing natural patina over time. If you seek nautical versatility, a navy blue calf strap will resist daily wear better than more delicate materials, maintaining original chromatic legibility for years.
How do I change the strap on a Tudor Black Bay 79220R?
To change the strap, remove the first spring bar using a dedicated tool: insert the bifurcated tip into the end of the lug, press gently downward and pull laterally. The pin will disengage from the housing. Repeat the operation on the second spring bar. Position the new spring bars in the strap, insert them into the case seats (one at a time, reverse operation) until the click closes. Avoid excessive bending of the lug during the operation to prevent damage to the seat.
Can I use an aftermarket 22mm compatible strap on the Tudor Black Bay 79220R?
Yes, any aftermarket strap with a 22mm lug width is compatible with the 79220R. Compatibility concerns lug width, not strap brand. However, it is advisable to verify that strap thickness does not exceed 4-5mm to ensure wrist comfort and avoid overloading the spring bars. Artisanal vegetable-tanned leather straps offer the best ratio between aesthetics and longevity with this model.
How long does a vegetable-tanned leather strap last on a Tudor Black Bay 79220R?
A quality vegetable-tanned leather strap has an average lifespan of 3-5 years with moderate daily use. Longevity depends on exposure to moisture, sweat, and mechanical wear. Alligator or shell cordovan straps last longer (5-8 years), while natural rubber remains stable over time without aesthetic changes. Proper maintenance (annual hydration with natural balms) significantly extends the useful life of the leather.
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

