Tudor · Black Bay GMT

Strap for Black Bay GMT S&G / Black / Bracelet

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
Reference79833MN-0001 (aka: M79833MN-0001)
FamilyBlack Bay GMT
MovementTudor caliber MT5652 hours, minutes, seconds, Additional 24 hours Hand (adjustable) | date | chronometer
Year2022
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 Black Bay GMT 79833MN-0001 (aka: M79833MN-0001)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Black Bay GMT 79833MN-0001 (aka: M79833MN-0001), seen from the bench

The Black Bay GMT features the automatic Tudor MT5652 caliber with an adjustable GMT hand and chronometer certification. The case has 22mm lugs and includes functions for hours, minutes, seconds, 24-hour indication and date. The movement provides a power reserve of approximately 70 hours.

Frequently asked questions

What is the exact lug width of the Tudor Black Bay GMT 79833MN-0001?

The Tudor Black Bay GMT 79833MN-0001 is fitted with 22mm lug width. This dimension corresponds to the internal space between the case lugs and represents the standard measurement for medium-to-large wristwatches such as this 41mm model. Always verify that your replacement strap has 22mm lug width compatibility to ensure smooth and secure installation.

Which strap type pairs best with the Tudor Black Bay GMT 79833MN-0001?

The ideal strap for the Black Bay GMT 79833MN-0001 depends on use and occasion. For formal settings, we recommend vegetable-tanned alligator in grey or black with a yellow gold buckle. For sophisticated daily wear, Tuscan calf in warm tones—burnt orange or cognac—enhances the Pepsi bezel's gold accents. For sports-focused use, natural rubber or NATO canvas straps are excellent. The Pepsi dial and bezel require materials that complement rather than compete; neutral or subdued tones work best.

How do I change the strap on the Tudor Black Bay GMT 79833MN-0001?

The strap is replaced by removing the spring bars connecting the strap to the case lugs. Use a spring bar removal tool or consult a professional watchmaker. Insert the tool under the spring bar from the inner side of the lug and push downward until the strap releases. Repeat for the second bar. Install the new strap by aligning its holes with the lugs and reinserting the spring bars with balanced pressure. Verify that the strap sits perpendicular to the case before wearing.

Which aftermarket straps are compatible with the Black Bay GMT 79833MN-0001?

Any strap with 22mm lug width is compatible with the Black Bay GMT 79833MN-0001. The watch accepts leather straps (alligator, calf, shell cordovan), natural rubber, NATO canvas and modern composite materials. The only constraint is that strap thickness must not exceed 4.5mm to ensure smooth closure at the lug width. Milano Straps offers a comprehensive collection of 22mm straps, customisable in size, colour, stitching thread and finish options.

How long does a leather strap last on the Tudor Black Bay GMT 79833MN-0001?

Leather strap longevity depends on tanning quality, frequency of wear and care. A high-grade vegetable-tanned strap, worn daily, typically lasts 3-5 years before replacement becomes necessary. The beauty of natural leather lies in the patina it develops over time: the material darkens, softens and acquires character. Milano Straps guarantees handcrafted straps for 18 months. Longevity increases if the strap is rotated (not worn seven days weekly) and protected from excessive moisture and heat.

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