Breitling · Superocean

Strap for Superocean 42 Limited Edition

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter42 mm
ReferenceA173643B.C868
FamilySuperocean
MovementBreitling caliber 17 hours, minutes, seconds | date
Year2013 - 2015
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 A173643B.C868

Selected for the 20 mm lug width

All 20 mm straps →

The Superocean A173643B.C868, seen from the bench

The Superocean is a Breitling dive watch equipped with the automatic caliber 17. The movement offers indication of hours, minutes, seconds and date. The reference A173643B.C868 represents one of the variants of the collection dedicated to water sports.

Frequently asked questions

What is the lug width of the Breitling Superocean A173643B.C868?

The Breitling Superocean A173643B.C868 features a 20mm lug width. This is the standard measurement for the 42mm Superocean case and determines compatibility with any 20mm aftermarket strap, including leather, NATO, rubber and mesh options available at milanostraps.it.

What is the best strap for the Breitling Superocean A173643B.C868?

For the Superocean A173643B.C868, the ideal choice depends on the intended use. Vegetable-tanned calf leather with a smooth grain is the most versatile option for daily wear; Mississippiensis alligator suits formal and business contexts; vulcanised rubber or ballistic NATO straps are best suited for sporting or aquatic use. A stainless steel deployant clasp improves comfort and distributes the weight of the 42mm case evenly.

How do you change the strap on a Breitling Superocean A173643B.C868?

Strap replacement requires a Y-shaped springbar tool or a fine-tipped springbar tool to remove the springbars housed within the lugs. On this model, the lugs are robust and the springbars have a standard diameter of 1.8mm. It is advisable to work on a soft surface to avoid scratching the case. Alternatively, the strap replacement service is available at the Casati Milano atelier.

Are there aftermarket straps compatible with the Breitling Superocean A173643B.C868?

Yes. Any strap with a 20mm lug width and standard springbars is compatible with the Superocean A173643B.C868. milanostraps.it offers a comprehensive selection of handcrafted 20mm straps in leather, alligator, shell cordovan, rubber and NATO, all produced with springbars included and compatible with the original lugs of this model.

How long does a leather strap last on a Breitling Superocean A173643B.C868?

Longevity depends on leather quality, frequency of use and exposure to moisture and perspiration. A quality vegetable-tanned calf leather strap worn daily will typically last 18 to 36 months. Shell cordovan, owing to its dense structure, can exceed 3 to 4 years. Prolonged exposure to salt water or sweat significantly reduces lifespan; in such conditions, alternating with a rubber or NATO strap is strongly recommended.

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