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Breitling · Superocean Heritage

Strap for Breitling Superocean Heritage M23370D4.BB81.221S

The Superocean Heritage 44 Chronograph Blacksteel takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm
20 mm strapsAll Breitling
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Lug width20 mm
Case diameter44 mm
ReferenceM23370D4.BB81.221S
FamilySuperocean Heritage
MovementBreitling caliber 23 Hours, Minutes, Small seconds | Date | Chronograph
CaseStainless 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 20 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Superocean Heritage 44 Chronograph Blacksteel — watch

Your watch with our straps

Superocean Heritage M23370D4.BB81.221S with Grand Cavalier Leather Strap Orange
Superocean Heritage M23370D4.BB81.221S with Vintage Brown Calfskin Strap — Natural Patina
Superocean Heritage M23370D4.BB81.221S with Brown Italian Leather Strap

Calf, Orange

Grand Cavalier Leather Strap Orange

€120

★ 4.9 · 12

See the strapAll 20 mm straps

1 / 83

Real photos of the strap and the case. No generated images.

What I'm asked about the Breitling Superocean Heritage M23370D4.BB81.221S

What strap size does the Breitling Superocean Heritage M23370D4.BB81.221S take?

The Breitling Superocean Heritage M23370D4.BB81.221S needs 20 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Breitling Superocean Heritage M23370D4.BB81.221S 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 Superocean Heritage M23370D4.BB81.221S?

Yes, in 20 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 44 mm diver I go for a full-thickness strap, not a thin one.

Which strap do you recommend for the Breitling Superocean Heritage M23370D4.BB81.221S?

Rubber if you wear it in the water; otherwise a 20 mm calf strap, full thickness. You'll find it ready in the 20 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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only

The atelier's website: casatimilano.com

Updated on · by Antonio Zichichi