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Breitling · Navitimer

Strap for Breitling Navitimer UB012721.BE18.439X

The Navitimer 01 46 Stainless Steel / Red Gold / Black / Calf takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

24mm
24 mm strapsAll Breitling
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Lug width24 mm
Case diameter46 mm
ReferenceUB012721.BE18.439X
FamilyNavitimer
MovementBreitling caliber B01 Hours, Minutes, Small seconds | Date | Chronograph, Column wheel | Chronometer
CaseRed Gold, Stainless Steel

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 24 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Navitimer 01 46 Stainless Steel / Red Gold / Black / Calf — watch

Straps for the Navitimer UB012721.BE18.439X

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

What I'm asked about the Breitling Navitimer UB012721.BE18.439X

What strap size does the Breitling Navitimer UB012721.BE18.439X take?

The Breitling Navitimer UB012721.BE18.439X needs 24 mm between the lugs, usually 20 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Breitling Navitimer UB012721.BE18.439X 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 Navitimer UB012721.BE18.439X?

Yes, in 24 mm leather. On a 46 mm chronograph I like box calf: it holds its shape and carries a substantial case.

Which strap do you recommend for the Breitling Navitimer UB012721.BE18.439X?

A 24 mm box calf. You'll find it ready in the 24 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