Breitling · Superocean Heritage '57

Strap for Superocean Heritage '57 Pastel Paradise / Mint Green

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter38 mm
ReferenceA10340361L1X1
FamilySuperocean Heritage '57
MovementBreitling caliber Caliber 10 Hours, Minutes, Seconds | Date | Chronometer
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Superocean Heritage '57 A10340361L1X1, seen from the bench

The Breitling Superocean Heritage '57 A10340361L1X1 is a 38mm stainless steel dive watch inspired by Breitling's 1957 chronographs, featuring a honeycomb-textured dial or monochromatic finishes. It houses the Breitling Caliber 10, an automatic COSC-certified chronometer movement with −4/+6 seconds per day precision, offering hours, minutes, seconds, and date functions. Water-resistant to 200 metres, this model combines vintage diving aesthetics with contemporary engineering, available with an 18mm lug width.

Frequently asked questions

What is the lug width of the Breitling Superocean Heritage '57 A10340361L1X1?

The Breitling Superocean Heritage '57 A10340361L1X1 has a lug width of 18mm. This measurement, taken with a calliper between the two lugs of the case, determines the maximum strap width at the point where it fits beneath the lugs.

What is the best strap for the Breitling Superocean Heritage '57?

The choice depends on intended use. For formal occasions, a vegetable-tanned alligator strap in 18mm width complements the polished case surfaces. For sport or aquatic use, a nylon NATO or vulcanised rubber strap offers durability and security. Shell cordovan is the premium option for those seeking a material that improves with wear.

How do you change the strap on the Breitling Superocean Heritage '57 A10340361L1X1?

Strap replacement requires a flat-tipped spring bar tool. Carefully lever the end of the spring bar, remove the old strap and fit the new one, ensuring the spring bar clicks securely into both lugs. No specialist skills are required, though it is advisable to work on a soft surface to prevent scratches to the case.

Are there aftermarket straps compatible with the Breitling Superocean Heritage '57?

Yes. Any strap with an 18mm lug width is technically compatible. Milanostraps.it offers a dedicated selection of 18mm straps in various materials — leather, NATO, rubber — designed to fit this exact width. Casati Milano craftsmanship delivers finishing and materials at a level comparable to or exceeding the original fitted strap.

How long does a leather strap last on a Breitling Superocean Heritage '57?

Longevity depends on material and usage. A quality boxcalf leather strap, with regular care and rotation, typically lasts 2–3 years. Cordovan and vegetable-tanned alligator, owing to the density of their fibres, can last 4–5 years while developing a distinguished patina. Prolonged exposure to salt water or perspiration significantly shortens the lifespan of any leather: rubber or NATO straps are recommended for aquatic use.

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