Breitling · Superocean Heritage

Strap for Superocean Heritage II 42 Stainless Steel / Black / Black / Bracelet

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

Lug width22 mm
Case diameter42 mm
ReferenceAB2010121B1A1 (aka: AB201012/BF73/154A)
FamilySuperocean Heritage
MovementBreitling caliber Caliber B20 Hours, Minutes, Seconds | Date | Chronometer
CaseCeramic, Stainless 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 Heritage AB2010121B1A1 (aka: AB201012/BF73/154A)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Superocean Heritage AB2010121B1A1 (aka: AB201012/BF73/154A), seen from the bench

The Superocean Heritage features the B20 automatic caliber with chronometer certification and indication of hours, minutes, seconds and date. The case features 22mm lugs for the strap. The movement offers essential time functions with certified precision.

Frequently asked questions

What is the lug width of the Breitling Superocean Heritage AB2010121B1A1?

The lug width of the Breitling Superocean Heritage AB2010121B1A1 is 22mm. This measurement is consistent across all dial and bracelet variants of the reference. Before purchasing an aftermarket strap, it is advisable to verify the lug width using a digital calliper placed between the two spring bar pins at the lower end of the case.

What is the best strap for the Breitling Superocean Heritage AB2010121B1A1?

The ideal strap depends on intended use and personal style. For an elegant finish with natural patina development over time, vegetable-tanned Tuscan calfskin is the most refined option. For marine or active use, vulcanised rubber or ballistic nylon NATO straps offer water resistance and practicality. For a sartorial pairing with the black ceramic bezel, alligator leather with Mississippiensis grain provides the strongest visual statement. All options are available in 22mm on milanostraps.it.

How do you change the strap on a Breitling Superocean Heritage AB2010121B1A1?

The strap is replaced using a thin-blade spring bar tool or a small flat-head screwdriver. The spring bar — the retractable pin housed within the lug — must be compressed to release the strap from the case. Care should be taken to avoid scratching the stainless steel or ceramic surfaces. If the appropriate tools are not available, it is recommended to contact a watchmaker or use the strap fitting service offered by Casati Milano at their Milan atelier.

Are there aftermarket straps compatible with the Breitling Superocean Heritage AB2010121B1A1?

Yes. Any strap with a 22mm lug width and standard spring bar attachment is compatible with the Breitling Superocean Heritage AB2010121B1A1. Milanostraps.it offers a curated selection of handcrafted leather, rubber, and nylon straps specifically sized for 22mm lugs, with standard lengths (75mm/115mm) suitable for most wrist sizes. A brushed steel buckle or deployment clasp is recommended to match the original case finish.

How long does a leather strap last on a Breitling Superocean Heritage AB2010121B1A1?

The lifespan of a leather strap depends on the quality of the tanning process, frequency of wear, and exposure to moisture. A high-quality vegetable-tanned leather strap, worn daily and kept away from water and heavy perspiration, typically lasts between 2 and 4 years before structural wear becomes apparent at the buckle hole. Straps produced by Casati Milano are covered by an 18-month warranty against manufacturing defects. For frequent water exposure, rubber or NATO straps are 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