Breitling · Superocean Heritage '57

Strap for Superocean Heritage '57 Stainless Steel / Outerknown

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter42 mm
ReferenceA103703A1Q1W1
FamilySuperocean Heritage '57
MovementBreitling caliber 10 hours, minutes, seconds | date | chronometer
Year2020
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 Superocean Heritage '57 A103703A1Q1W1

Selected for the 20 mm lug width

All 20 mm straps →

The Superocean Heritage '57 A103703A1Q1W1, seen from the bench

The Superocean Heritage '57 revisits the design of the original Breitling model from the 1950s. It features the automatic caliber 10 with chronometer certification and indication of hours, minutes, seconds and date. The model has 20mm lugs for the strap.

Frequently asked questions

What is the lug width of the Breitling Superocean Heritage '57 A103703A1Q1W1?

The lug width of the Breitling Superocean Heritage '57 A103703A1Q1W1 is 20mm. This measurement refers to the internal distance between the lugs, best verified with a calliper at the spring bar seat. The lugs feature a slight curvature at the attachment point; for an optimal aesthetic result, it is advisable to select straps with curved ends specifically designed for this model.

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

The most suitable strap materials for the Breitling Superocean Heritage '57 vary according to intended use. Vegetable-tanned alligator leather is ideal for formal settings, owing to its follicle texture and the natural patina it develops over time. Shell cordovan offers superior durability and a dense surface that moulds to the wrist. For marine or sporting use, a vulcanised rubber strap provides waterproofing and resilience. A nylon NATO strap references the tool watch diving tradition. All these materials are available in 20mm width on milanostraps.it.

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

To replace the strap on the Breitling Superocean Heritage '57, you will need a spring bar tool with a fine tip. Insert the tip into the lateral groove of the spring bar, compress the spring inward and remove the strap. The procedure should be carried out carefully to avoid scratching the stainless steel case; it is advisable to protect the surfaces with a soft cloth. The curved lugs of this model require straps with shaped ends to ensure a seamless aesthetic at the attachment point.

Are there aftermarket straps compatible with the Breitling Superocean Heritage '57 A103703A1Q1W1?

Yes, there are numerous aftermarket straps compatible with the Breitling Superocean Heritage '57 A103703A1Q1W1. The standard lug width is 20mm. For the best aesthetic result, it is preferable to choose straps with curved ends suited to the Breitling lug geometry. Milano Straps offers a selection of handcrafted 20mm straps in various materials — leather, rubber, NATO — compatible with this model, available on milanostraps.it.

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

The lifespan of a leather strap depends on the material, frequency of use, and exposure to perspiration and moisture. A quality vegetable-tanned alligator strap, with moderate daily use, typically lasts 2–4 years before showing significant signs of wear. Shell cordovan offers greater resistance due to the density of its fibres. To extend the life of the strap, avoid immersion in water, apply a conditioning balm periodically, and rotate between at least two straps. Milano Straps straps are covered by 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