Tudor · Black Bay One

Strap for Black Bay One 31 Stainless Steel / Champagne / Bracelet

Takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width17 mm
Case diameter31 mm
Reference79600-0003 (aka: M79600-0003)
FamilyBlack Bay One
MovementTudor caliber MT5201 hours, minutes, seconds | chronometer
Year2023
CaseStainless Steel

Spring bar

Spring bars for Tudor

The right category for this model · choose the 17 mm size

The Black Bay One 79600-0003 (aka: M79600-0003), seen from the bench

The Tudor Black Bay One 79600-0003 is a 31mm stainless steel diving watch featuring a champagne dial and a 17mm lug width. Powered by the in-house Tudor MT5201 caliber with COSC certification and approximately 70 hours of power reserve, it offers water resistance to 200 meters. This unique reference represents Tudor's reinterpretation of 1950s diving aesthetics in a refined, compact format.

Frequently asked questions

What is the lug width of the Tudor Black Bay One 79600-0003?

The lug width of the Tudor Black Bay One 79600-0003 is exactly 17mm. This measurement represents the standard attachment point between the case lugs and the strap. It is crucial to verify this dimension before purchasing an aftermarket strap, as even minor variations compromise aesthetic fit and stability on the wrist.

Which strap is recommended for the Tudor Black Bay One 79600-0003?

For this timepiece, straps in alligator leather with vegetable tanning are ideal, developing natural patina over time, or shell cordovan for lasting brilliance. Structured-grain calf leather represents a versatile and contemporary choice. All these materials guarantee refined aesthetics whilst maintaining the diving functionality of the piece, supported by its 200-metre water resistance.

How do I change the strap on the Tudor Black Bay One 79600-0003?

Strap replacement occurs through the release of the spring bars that connect the lugs to the case. Using a dedicated tool, one gently presses the bar to release it on one side, extracts the old strap and inserts the new one, ensuring both spring bars are securely seated. For the 79600-0003, the simplicity of this operation allows frequent changes without risk to the case.

Are aftermarket straps compatible with the Tudor Black Bay One 79600-0003?

Yes, all straps with a 17mm lug width are compatible with the Tudor Black Bay One 79600-0003. It is essential to verify that the strap has been specifically manufactured for this width, as even minor variations create unwanted play. Milano Straps offers a dedicated range of 17mm straps customisable in material, colour and details, with full compatibility guarantee.

How long does a leather strap last on the Tudor Black Bay One 79600-0003?

Leather strap durability depends on the material and usage pattern. An alligator strap with vegetable tanning, used in rotation with other straps, can last 4-6 years before replacement. Shell cordovan offers superior longevity, whilst structured calf leather averages 3-4 years. The Casati Milano atelier offers an 18-month warranty and can perform repairs and restoration to extend your strap's lifespan.

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