Breitling · Transocean

Strap for Transocean Chronograph Stainless Steel / Panda / Calf / Pin

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/G724/435X/A20BA.1
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/G724/435X/A20BA.1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Transocean AB015212/G724/435X/A20BA.1, seen from the bench

The Transocean features the Breitling B01 automatic chronograph movement with a column-wheel mechanism and chronometer certification. The movement offers hours, minutes, small seconds, and date indication. The watch has 22mm lugs.

Frequently asked questions

What is the lug width of the Breitling Transocean AB015212/G724/435X/A20BA.1?

The lug width of the Breitling Transocean AB015212/G724/435X/A20BA.1 is 22mm. This measurement should be taken with a digital calliper placed between the two lugs, flush against the case, excluding the mounted strap. It is one of the most common sizes in the professional segment, ensuring a wide selection of quality aftermarket straps.

What is the best strap for the Breitling Transocean AB015212/G724/435X/A20BA.1?

For the Transocean, a smooth alligator strap in black or midnight blue enhances the formal character of the white dial. A vegetable-tanned calf leather strap in tan is ideal for daily wear, developing a natural patina over time. Shell cordovan in burgundy offers a dense texture and superior longevity. For more dynamic settings, a rubber strap with a deployant clasp preserves the watch's aeronautical character.

How do you change the strap on the Breitling Transocean AB015212/G724/435X/A20BA.1?

The strap on the Transocean is secured by standard 22mm spring bars. To replace it, use a spring bar tool to release the bars from the lugs. The process takes only a few minutes and does not require assistance from a service centre. It is advisable to work on a soft surface to avoid scratching the stainless steel case.

Are there aftermarket straps compatible with the Breitling Transocean AB015212/G724/435X/A20BA.1?

Yes. Any strap with a 22mm lug width is technically compatible with the Transocean. Milano Straps offers handcrafted straps in alligator, vegetable-tanned calf leather, shell cordovan and rubber, available bespoke or ready to purchase online. The slightly tapered lug geometry of the Transocean pairs particularly well with tapered-end straps typical of dress watch designs.

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

The lifespan of a leather strap depends on the material and care routine. A quality vegetable-tanned calf leather strap, with moderate daily use and regular conditioning with a neutral cream, typically lasts 2–4 years. Shell cordovan, owing to its dense fibre structure, can last 5–7 years. Alligator leather, when properly maintained and kept away from water and excessive perspiration, generally lasts 3–5 years. Milano Straps provides an 18-month warranty 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