Breitling · Transocean

Strap for Transocean Chronograph Stainless Steel / Reverse Panda / 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 diameter43 mm
ReferenceAB015212/BF26/154A
FamilyTransocean
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2011
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 Transocean AB015212/BF26/154A

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Transocean AB015212/BF26/154A, seen from the bench

The Breitling Transocean Chronograph AB015212/BF26/154A is a 43mm stainless steel chronograph honoring the golden age of transatlantic aviation in the 1950s–60s. Powered by the in-house Breitling B01 caliber—featuring a column wheel escapement, 28,800 vph balance frequency, and approximately 70 hours power reserve—it is COSC chronometer certified with ±4 seconds per day tolerance. The watch offers hours, minutes, small seconds, chronograph, and date functions with 100-meter water resistance. The lug width is 22mm.

Frequently asked questions

What is the lug width of the Breitling Transocean AB015212/BF26/154A?

The Breitling Transocean AB015212/BF26/154A has a lug width of 22mm. This measurement should be taken with a digital calliper between the inner lug surfaces, flush against the case, to ensure a precise and secure strap fit. Compatible straps must measure exactly 22mm at the attachment end.

What is the best strap for the Breitling Transocean AB015212/BF26/154A?

For the Transocean AB015212/BF26/154A, we recommend wide-grain alligator leather for a formal-sport register, shell cordovan for those seeking a leather that develops a rich patina over time, or vegetable-tanned calf leather for intensive daily wear. A ballistic nylon NATO strap is the most practical option for outdoor or maritime settings.

How do I change the strap on the Breitling Transocean AB015212/BF26/154A?

Replacing the strap requires a fine-tipped spring bar tool. Lever against the spring bar end inside the lug, remove the existing strap, and fit the new one. The operation takes approximately two minutes and carries no risk to the case when performed with the correct tool.

Are there aftermarket straps compatible with the Breitling Transocean AB015212/BF26/154A?

Yes. Any 22mm strap fitted with standard spring bars is compatible with the Transocean AB015212/BF26/154A. milanostraps.it offers a curated selection of handcrafted straps made to this precise lug width, with finishes and materials that are comparable — or superior — to the original Breitling strap.

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

Longevity depends on the material and frequency of use. Vegetable-tanned calf leather typically lasts 12–24 months with daily wear. Shell cordovan can exceed 3–4 years thanks to its dense fibre structure. Alligator leather, properly maintained with neutral cream and kept away from water, lasts 2–3 years. Milano Straps offers an 18-month guarantee against manufacturing defects.

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