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Tudor · Black Bay One

Strap for Tudor Black Bay One 79603-0003

The Black Bay 31 S&G / Anthracite - Diamond / Bracelet takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

16mm
16 mm strapsAll Tudor
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Lug width16 mm
Case diameter31 mm
Reference79603-0003 (aka: M79603-0003)
FamilyBlack Bay One
MovementTudor caliber MT5201 Hours, Minutes, Seconds | Chronometer
Year2022 - 2022
CaseYellow Gold, Stainless Steel

Spring bar

Spring bars for Tudor

The right category for this model · choose the 16 mm size

Standard spring bar · length 16 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Black Bay 31 S&G / Anthracite - Diamond / Bracelet — watch

Straps for the Black Bay One 79603-0003

Selected for the 16 mm lug width

All 16 mm straps →

What I'm asked about the Tudor Black Bay One 79603-0003

What strap size does the Tudor Black Bay One 79603-0003 take?

The Tudor Black Bay One 79603-0003 needs 16 mm between the lugs, usually 14 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Tudor Black Bay One 79603-0003 be changed?

Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.

Can I put a leather strap on the Tudor Black Bay One 79603-0003?

Yes, in 16 mm leather, as long as you don't wear it in the water: leather doesn't like the sea or the pool. For days in the water, rubber. On a 31 mm diver I go for a full-thickness strap, not a thin one. I don't keep rubber ready in 16 mm: write to me and I'll make it.

Which strap do you recommend for the Tudor Black Bay One 79603-0003?

Rubber if you wear it in the water; otherwise a 16 mm calf strap, full thickness. You'll find it ready in the 16 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

For changing the strap

Classic Strap and Bracelet Removal Tooltwo-tip spring bar tool→Milano Straps Premium Swiss Standard Watch Bucklestang buckle, steel or PVD→Leather Conditioner Milano Strapsnourishes and protects the strap→Casati Milano Rectangular Epsom Leather Travel Case — Brownfor the watch and spare straps→

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

The atelier's website: casatimilano.com

Updated on · by Antonio Zichichi