Breitling · Transocean

Strap for Transocean Chronograph Red Gold / Silver / Croco

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
ReferenceRB015212.G738.737P
FamilyTransocean
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2011
CaseRed Gold

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 RB015212.G738.737P

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Transocean RB015212.G738.737P, seen from the bench

The Breitling Transocean Chronograph RB015212.G738.737P features a 43mm red gold case paired with a silver dial and crocodile strap. At its heart beats the in-house B01 movement, a column-wheel chronograph operating at 28,800 vph with a 70-hour power reserve and COSC chronometer certification. The 22mm lug width accommodates standard strap options, with the design reflecting the aesthetic of 1950s-60s transatlantic aviation in a contemporary, formal execution.

Frequently asked questions

What is the lug width of the Breitling Transocean RB015212.G738.737P?

The Breitling Transocean RB015212.G738.737P features a lug width of 22mm. This is the standard measurement for the 43mm version of the Transocean family and ensures full compatibility with any aftermarket strap in 22mm width, including the handcrafted options available at milanostraps.it.

What is the best strap for the Breitling Transocean RB015212.G738.737P?

Given the 18-carat red gold case of the Transocean RB015212.G738.737P, a Mississippi alligator strap in cognac or havana tones is the most aesthetically coherent choice. The bombed scale texture complements the warmth of the gold alloy and develops a rich patina over time. Vegetable-tanned calfskin suits formal wear, while vulcanised rubber offers a sporting alternative without compromising the overall elegance of the piece.

How do I change the strap on the Breitling Transocean RB015212.G738.737P?

The strap is removed using a spring bar tool, inserted between the lug and the strap end to compress the telescopic pins. It is advisable to work on a soft surface to avoid scratching the red gold case. If in doubt, Casati Milano offers a professional strap fitting service at its Milanese atelier by appointment.

Are there aftermarket straps compatible with the Breitling Transocean RB015212.G738.737P?

Yes. Any strap with a 22mm attachment is technically compatible. Milanostraps.it offers a curated selection of handcrafted 22mm straps in alligator, calfskin, shell cordovan and rubber, fitted with either a standard buckle or a deployant clasp, specifically designed for high-end Swiss manufacture timepieces.

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

Longevity depends on the material and conditions of use. A quality alligator strap, rotated regularly and kept away from prolonged moisture, typically lasts 3 to 5 years before showing structural deterioration. Vegetable-tanned calfskin has a similar lifespan but is more sensitive to perspiration. All Casati Milano straps carry 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