Breitling · Superocean

Strap for Superocean II 36 Black / Calf

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter36 mm
ReferenceA17312C9.BD91.415X
FamilySuperocean
MovementBreitling caliber 17 hours, minutes, seconds | date
Year2016
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 A17312C9.BD91.415X

Selected for the 18 mm lug width

All 18 mm straps →

The Superocean A17312C9.BD91.415X, seen from the bench

The Breitling Superocean features the Caliber 17 with hour, minute, second and date functions. The watch has 18mm lugs and reference A17312C9.BD91.415X. The movement provides the essential timekeeping indications with a date complication.

Frequently asked questions

What is the lug width of the Breitling Superocean A17312C9.BD91.415X?

The lug width of the Breitling Superocean A17312C9.BD91.415X is 18mm. This measurement should be taken directly between the two lugs of the case using a calliper to confirm compatibility with any aftermarket strap.

What is the best strap for the Breitling Superocean A17312C9.BD91.415X?

For the 36mm Superocean A17312C9.BD91.415X, a vegetable-tanned Tuscan leather strap in cognac or tan offers the best balance between elegance and everyday versatility. For more active or marine use, a vulcanised rubber strap is technically coherent with the model's heritage. Alligator leather is the preferred choice for formal settings.

How do you change the strap on a Breitling Superocean A17312C9.BD91.415X?

To replace the strap on the Superocean A17312C9.BD91.415X, you will need an 18mm spring bar and a proper springbar tool. Insert the tool into the lug hole, compress the spring bar and slide the strap free. Care should be taken to avoid scratching the stainless steel case. If in doubt, entrust the operation to a qualified watchmaker.

Are there aftermarket straps compatible with the Breitling Superocean A17312C9.BD91.415X?

Yes, any strap with an 18mm lug width is technically compatible with the Breitling Superocean A17312C9.BD91.415X. Milano Straps offers a curated selection of handcrafted straps in leather, rubber and fabric specifically in 18mm, with finishes and materials chosen to complement the aesthetics of this timepiece.

How long does a leather strap last on a Breitling Superocean?

The lifespan of a leather strap depends on the quality of the hide, frequency of wear and exposure to perspiration and water. A high-quality vegetable-tanned Tuscan leather strap, with regular care, typically lasts between 2 and 4 years. Avoiding prolonged immersion in water and allowing the strap to air-dry after intensive use will considerably extend its life.

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