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Breitling · Transocean

Strap for Breitling Transocean R4531012/BB70/435X/R20BA.1

The Transocean Day & Date Red Gold / Black / Calf / Pin takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm
22 mm strapsAll Breitling
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Lug width22 mm
Case diameter43 mm
ReferenceR4531012/BB70/435X/R20BA.1
FamilyTransocean
MovementBreitling caliber 45 Hours, Minutes, Seconds | Date, Day | Chronometer
Year2012
CaseRed Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Standard spring bar · length 22 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Transocean Day & Date Red Gold / Black / Calf / Pin — watch

Straps for the Transocean R4531012/BB70/435X/R20BA.1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

What I'm asked about the Breitling Transocean R4531012/BB70/435X/R20BA.1

What strap size does the Breitling Transocean R4531012/BB70/435X/R20BA.1 take?

The Breitling Transocean R4531012/BB70/435X/R20BA.1 needs 22 mm between the lugs, usually 18 or 20 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Breitling Transocean R4531012/BB70/435X/R20BA.1 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 Breitling Transocean R4531012/BB70/435X/R20BA.1?

Yes, in 22 mm leather. On a 43 mm case a calf strap works every day; if you want something more, alligator.

Which strap do you recommend for the Breitling Transocean R4531012/BB70/435X/R20BA.1?

A 22 mm calf strap, for every day. You'll find it ready in the 22 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