Tudor · Black Bay One

Strap for Black Bay 41 S&G / Silver / 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
Reference79683-0002 (aka: M79683-0002)
FamilyBlack Bay One
MovementTudor caliber MT5601 hours, minutes, seconds | 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 One 79683-0002 (aka: M79683-0002)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Black Bay One 79683-0002 (aka: M79683-0002), seen from the bench

The Tudor Black Bay One features the automatic MT5601 caliber with chronometer certification. The movement offers hour, minute and second indications with 22mm lugs. The reference 79683-0002 represents a contemporary interpretation of the brand's Black Bay line.

Frequently asked questions

What is the lug width of the Tudor Black Bay One 79683-0002?

The Tudor Black Bay One (ref. 79683-0002) features a 22mm lug width. This measurement is the standard for watches with a 41mm case and is fully compatible with the entire range of 22mm artisanal straps available online. Lug width is measured as the distance between the two horizontal pins (lugs) protruding from the case. On the Black Bay One, the lug geometry is straightforward without pronounced curves, ensuring perfect fit for any quality 22mm strap.

What strap is recommended for the Tudor Black Bay One 79683-0002?

For the Black Bay One in two-tone gold and steel, we recommend vegetable-tanned leather straps in calf or bull hide, particularly Aged Honey or Cognac Brown tones, which create natural chromatic dialogue with the bimetallic case. For formal wear, black or dark brown alligator offers superior durability and refined patina. Those preferring a vintage-military aesthetic may opt for NATO canvas in robust sand or khaki—historically evocative of professional diving use. Choice depends on context: everyday versatility requires aged brown calf, formal occasions favour alligator with recessed deployant buckle.

How do I change the strap on my Tudor Black Bay One 79683-0002?

Strap replacement is straightforward: use a spring bar removal tool to push the horizontal pin inward within the lug slot and release the old strap. Position the new strap by first seating one side of the pin in the slot, then press the strap downward until you hear or feel the audible click indicating secure fastening. On the Black Bay One 79683-0002, the lug is deep and features straightforward geometry, so the procedure presents no particular difficulty. We recommend changing straps on a clean surface to avoid accidental loss of the small pins.

Is an aftermarket compatible strap suitable for the Tudor Black Bay One 79683-0002?

Absolutely. The 22mm lug width is a universal standard; any quality 22mm artisanal strap will fit the Black Bay One 79683-0002 perfectly. Aftermarket straps offer greater aesthetic and constructive freedom than original bracelets: choice of vegetable tanning, personalised tone selection, thread colour customisation, and premium leathers such as alligator, shell cordovan, or Tuscan calf. Simply verify that strap thickness is compatible with the lug slot depth (standard on 22mm). A personalised strap allows you to transform the watch's character according to use context.

How long does a leather strap last on the Tudor Black Bay One 79683-0002?

Leather strap longevity depends on material, tanning method, and frequency of use. Quality vegetable-tanned leather such as Tuscan calf or alligator typically lasts 4–6 years of daily wear before requiring replacement; shell cordovan may last up to 8 years thanks to its natural resilience. Factors accelerating wear: prolonged exposure to perspiration and humidity, extreme temperatures, excessive flexion. To maximise longevity, we recommend: alternating with other straps to distribute mechanical stress, avoiding prolonged submersion (the Black Bay One resists 200m but leather straps fear standing water), occasional cleaning with a soft damp cloth. Artisanal straps with visible stitching benefit from minimal maintenance: any thread breakage is repairable, further extending the strap's life.

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