Breitling · Transocean

Strap for Transocean Day & Date Stainless Steel / Silver / 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
ReferenceA4531012/G751/112X/A20D.1
FamilyTransocean
MovementBreitling caliber 45 hours, minutes, seconds | date, day | chronometer
Year2012
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 A4531012/G751/112X/A20D.1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Transocean A4531012/G751/112X/A20D.1, seen from the bench

The Transocean represents Breitling's collection of elegant watches oriented towards civil and commercial aviation. It is equipped with the automatic Breitling 45 caliber with chronometer certification, indication of hours, minutes, seconds, date and day of the week. The watch features 22mm lugs for the strap.

Frequently asked questions

What is the lug width of the Breitling Transocean A4531012/G751/112X/A20D.1?

The lug width of the Breitling Transocean A4531012/G751/112X/A20D.1 is 22 mm. This measurement should be verified using a digital calliper, measuring the internal distance between the two lugs at the strap attachment point. Respecting this dimension is essential to ensure a correct fit and a visually balanced appearance with the 43 mm case.

What is the best strap for the Breitling Transocean A4531012/G751/112X/A20D.1?

For the Breitling Transocean A4531012/G751/112X/A20D.1, a Tuscan vegetable-tanned calf leather strap is the most balanced choice: it develops a natural patina over time, pairs well with brushed steel, and withstands daily wear thanks to its tight grain. For formal occasions, a mississippiensis alligator strap with a steel deployante clasp further enhances the dress character of the watch. A heavy-duty 22 mm NATO strap in nylon is the ideal option for sporting or summer use.

How do you change the strap on the Breitling Transocean A4531012/G751/112X/A20D.1?

To replace the strap on the Breitling Transocean A4531012/G751/112X/A20D.1, a springbar tool with a forked tip is required. Insert the tip between the lug and the strap at each end of the spring bar, apply inward pressure to compress the spring bar, and slide the strap free. Repeat on the opposite side. To fit the new 22 mm strap, insert one end of the spring bar into its lug hole, compress the other end with the tool, and snap it into the opposite hole. Always work on a soft surface to avoid scratching the case.

Are there aftermarket straps compatible with the Breitling Transocean A4531012/G751/112X/A20D.1?

Yes, any strap with a 22 mm lug width is technically compatible with the Breitling Transocean A4531012/G751/112X/A20D.1. Milano Straps offers a curated selection of handcrafted 22 mm straps in calf leather, alligator, shell cordovan and nylon, all supplied with spring bars and tailored to fit the Transocean's lugs without the need for adapters.

How long does a leather strap last on a Breitling Transocean A4531012/G751/112X/A20D.1?

The lifespan of a leather strap depends on the quality of the hide, daily use, and maintenance. A handcrafted vegetable-tanned calf leather strap, rotated with other straps and kept away from excessive perspiration and direct rain, will retain its structural and aesthetic integrity for 2–4 years. Alligator straps generally last longer due to the natural density of reptile leather fibres. Milano Straps offers an 18-month guarantee against manufacturing defects on all Casati Milano straps.

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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only