Breitling · Superocean Heritage

Strap for Superocean Heritage II B20 Automatic 42 Stainless Steel - Red Gold / Lucerne Edition

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter42 mm
ReferenceUB20105A1K1A1
FamilySuperocean Heritage
MovementBreitling caliber Caliber B20 Hours, Minutes, Seconds | Date | Chronometer
CaseCeramic, Red Gold, Stainless 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 UB20105A1K1A1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Superocean Heritage UB20105A1K1A1, seen from the bench

The Breitling Superocean Heritage II B20 Automatic 42 (ref. UB20105A1K1A1) combines professional diving watch heritage from the 1950s with contemporary materials. The 42mm stainless steel case with red gold accents and ceramic bezel houses the Breitling B20 caliber, offering 70-hour power reserve and COSC certification at 28,800 vph. Lug width is 22mm. This Lucerne Edition exemplifies the Superocean Heritage collection's balanced aesthetic between functional tool watch and dress-sport refinement.

Frequently asked questions

What is the lug width of the Breitling Superocean Heritage UB20105A1K1A1?

The Breitling Superocean Heritage UB20105A1K1A1 has a lug width of 22mm. This measurement is consistent across the entire Superocean Heritage 42mm range and allows for a wide selection of compatible aftermarket straps in leather, rubber or nylon.

What is the best strap for the Breitling Superocean Heritage UB20105A1K1A1?

The ceramic, red gold and stainless steel combination of the Superocean Heritage UB20105A1K1A1 pairs particularly well with a midnight blue or cognac alligator strap for formal wear, or a vegetable-tanned calf leather strap for everyday use. For sport or marine environments, vulcanised rubber is the most technically appropriate choice.

How do you change the strap on the Breitling Superocean Heritage UB20105A1K1A1?

Strap replacement is carried out via the 22mm spring bars seated in the lugs. Using a spring bar tool, compress the spring bars and slide out the existing strap. The operation takes approximately two minutes and requires no specialist tools, though it is advisable to work on a soft cloth to avoid scratching the ceramic bezel and red gold case elements.

Are there aftermarket straps compatible with the Breitling Superocean Heritage UB20105A1K1A1?

Yes. Any strap with a 22mm lug width is compatible with the Breitling Superocean Heritage UB20105A1K1A1. Milanostraps.it offers a curated selection of handcrafted 22mm straps in various materials and finishes, designed to complement both the aesthetics and technical requirements of this model.

How long does a leather strap last on a dive watch such as the Superocean Heritage?

The longevity of a leather strap depends on exposure to moisture and perspiration. On a dive watch such as the Superocean Heritage used regularly in aquatic environments, a quality vegetable-tanned leather strap typically lasts between 18 and 36 months with standard care. For intensive water use, it is advisable to alternate with a rubber or NATO strap, reserving the leather strap for dry conditions.

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