Breitling · Transocean
Strap for Transocean Day & Date Red Gold / Silver / Croco / Pin
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Transocean R45310121G1P1 (aka: R4531012/G752/739P/R20BA.1)
Selected for the 22 mm lug width · workshop selection
Matte Dark Brown Alligator Strap€195
Matte Black Alligator Strap€195
Matte Dark Gray Alligator Strap€195
Vintage Brown Calfskin Strap — Natural Patina€98
Vintage Olive Green Calf Leather Watch Strap€80
The Transocean R45310121G1P1 (aka: R4531012/G752/739P/R20BA.1), seen from the bench
Frequently asked questions
What is the lug width of the Breitling Transocean R45310121G1P1?
The lug width of the Breitling Transocean R45310121G1P1 is 22mm. This measurement is taken with a vernier calliper at the internal distance between the two lugs at the base of the case. It is essential to measure at the attachment point rather than at the lug tips to ensure an accurate fit and correct strap installation.
What is the best strap for the Breitling Transocean R45310121G1P1?
For the Red Gold case of the Transocean R45310121G1P1, a glossy alligator strap in bordeaux or cognac brown offers the most coherent pairing with the chronograph's dressy aesthetic. A vegetable-tanned calf leather strap in havana tan provides a more casual yet equally refined alternative. For a rarer combination, shell cordovan in burgundy suits those seeking a distinctly individual match.
How do I change the strap on the Breitling Transocean R45310121G1P1?
To replace the strap on the Breitling Transocean R45310121G1P1, a spring bar tool is required. Insert the forked tip into the lug slot, compress the spring bar laterally and slide the strap free. Care should be taken to avoid scratching the red gold case: placing a microfibre cloth beneath the tool is strongly recommended. If unfamiliar with the procedure, a watchmaker should be consulted.
Are there aftermarket straps compatible with the Breitling Transocean R45310121G1P1?
Yes. The Breitling Transocean R45310121G1P1 features standard 22mm lugs, compatible with a wide range of handcrafted aftermarket straps. Milano Straps offers a curated selection of 22mm straps made by hand in Italy, with leather linings and customisable stitching, fully compatible with the Breitling Transocean lug geometry and available with pin buckle or deployant clasp.
How long does a leather strap last on a Breitling Transocean R45310121G1P1?
The lifespan of a leather strap depends on hide quality, care and frequency of use. A high-grade alligator or vegetable-tanned calf strap typically lasts between two and five years under regular wear. Longevity is notably extended by rotating between multiple straps, avoiding prolonged exposure to perspiration and moisture, and applying a dedicated leather conditioner periodically.
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
