Breitling · Superocean

Strap for Superocean Chronograph M2000

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter44 mm
ReferenceA73310A8.BB73.160A
FamilySuperocean
MovementBreitling caliber Caliber B73 Foudroyante Seconds, Minutes, Small Seconds | Date | Chronograph | Chronometer
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Superocean A73310A8.BB73.160A

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Superocean A73310A8.BB73.160A, seen from the bench

The Breitling Superocean features the B73 caliber with chronograph, small seconds, minutes and date functions. The movement is chronometer certified and has a foudroyante seconds hand. The watch has 22mm lugs for the strap.

Frequently asked questions

What is the lug width of the Breitling Superocean A73310A8.BB73.160A?

The Breitling Superocean A73310A8.BB73.160A features a lug width of 22mm. This measurement can be verified directly between the lugs using a digital calliper, or confirmed via official Breitling documentation. Any strap with a 22mm attachment is compatible with this reference.

What is the best strap for the Breitling Superocean A73310A8.BB73.160A?

For a diving chronograph with a foudroyante calibre such as this Superocean, a semi-gloss alligator strap offers the most refined balance between sporting character and formal elegance. Vegetable-tanned calfskin develops a distinctive patina over time, whilst vulcanised rubber and technical nylon NATO straps are the preferred choice for marine or sporting use. A brushed steel deployant clasp mirrors the case finishing most cohesively.

How do you change the strap on the Breitling Superocean A73310A8.BB73.160A?

Strap replacement requires a spring bar tool to release the spring bars securing the strap to the case lugs. The 22mm lugs of this Superocean accept standard 1.8mm diameter spring bars. The operation takes only a few minutes when performed on a soft cushion to prevent scratching the case. If in doubt, it is advisable to consult a watchmaker or the Casati Milano strap fitting service.

Are there aftermarket straps compatible with the Breitling Superocean A73310A8.BB73.160A?

Yes. Any strap with a 22mm lug width is technically compatible with this Breitling Superocean. Milano Straps offers a curated selection of handcrafted Italian straps in leather, alligator, shell cordovan and rubber, all supplied with spring bars. Build quality is comparable to original Breitling straps, with considerably greater scope for personalisation.

How long does a leather strap last on the Breitling Superocean A73310A8.BB73.160A?

Longevity depends on the material and conditions of use. A vegetable-tanned calfskin strap, with standard care, typically lasts 2 to 4 years. Alligator, being denser and more resilient, can exceed 5 years whilst retaining an excellent appearance. Regular exposure to saltwater significantly reduces the service life of any leather strap; for intensive marine use, rubber or NATO is strongly recommended. Milano Straps provides an 18-month warranty against manufacturing defects on all its 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