Breitling · Superocean Heritage

Strap for Superocean Heritage II 46 Stainless Steel / Black / Silver / Calf / Folding

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter46 mm
ReferenceAB202012/G828/440X/A20D.1
FamilySuperocean Heritage
MovementBreitling caliber Caliber B20 Hours, Minutes, Seconds | Date | 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 Heritage AB202012/G828/440X/A20D.1

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Superocean Heritage AB202012/G828/440X/A20D.1, seen from the bench

The Breitling Superocean Heritage II AB202012/G828/440X/A20D.1 is a 46mm stainless steel dive watch evolving from the 1957 original icon. It features the Caliber B20 automatic chronometer movement with anchor escapement and oscillating balance wheel. The case incorporates a unidirectional ceramic bezel, oversized crown, and sapphire crystal resistant to abrasion. Lug width is 24mm, the international standard for sport watches of this size and case proportions. The strap is crafted from vegetable-tanned calf leather with folding clasp.

Frequently asked questions

What is the lug width of the Breitling Superocean Heritage AB202012/G828/440X/A20D.1?

The lug width of the Breitling Superocean Heritage AB202012/G828/440X/A20D.1 is 24mm. This is the distance between the spring bars that connect the case to the strap. It is essential to verify this measurement before ordering an aftermarket strap to ensure perfect compatibility and correct wear fit.

What is the best strap for the Breitling Superocean Heritage AB202012/G828/440X/A20D.1?

The ideal strap depends on intended use. For formal elegance, we recommend vegetable-tanned leather (cognac brown or black) or alligator finished with tannin-based methods, which develop character and patina over time. For marine and sports contexts, FKM rubber or heavyweight canvas NATO straps offer resistance to salt, chlorine and humidity without compromise. Technical selection must also consider the 24mm width and the robustness of case lugs.

How do I change the strap on my Breitling Superocean Heritage AB202012/G828/440X/A20D.1?

Strap change requires a spring bar tool (dedicated lever for straps) to remove the pins from the case lugs. Position the tool in the small hole beneath the lug and gently pry to extract the retractable pin, repeat on the other side. Insert the new strap by aligning the ends with the lug holes, then press the pins until they click. Verify that the strap is firmly secured before wearing the watch. If you prefer to avoid the risk of scratching the case, contact an authorized service centre.

Is an aftermarket 24mm strap truly compatible with the Breitling Superocean Heritage AB202012/G828/440X/A20D.1?

Yes, any strap certified for 24mm lug width is mechanically compatible with the Breitling Superocean Heritage AB202012/G828/440X/A20D.1. However, leather quality, stitch robustness, loop strength that secures the strap to the lugs, and buckle finish significantly differentiate artisanal products from generic ones. Milano Straps vegetable-tanned straps guarantee durability and aesthetic evolution over time.

How long does a leather strap last on the Breitling Superocean Heritage AB202012/G828/440X/A20D.1?

Strap longevity depends on use, tanning quality and environmental conditions. A quality vegetable-tanned leather strap worn daily typically lasts 3–5 years before replacement, developing a patina that enhances aesthetic appeal during this period. Constant exposure to sweat, sea water, chlorine and sunlight accelerates ageing. An FKM rubber strap lasts significantly longer in wet environments, up to 5–7 years with proper maintenance.

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