Strap for Superocean Heritage B31 Automatic 42 Stainless Steel / Green / Milanese

The lug width of the Breitling Superocean Heritage AB3111361L1A1 is 22mm. This is the internal measurement between the case lugs and the reference dimension to use when selecting any compatible aftermarket strap. The standard keeper width for this reference is 20mm.

It depends on the intended use. For formal or business occasions, a hornback alligator strap in bordeaux or navy blue at 22mm brings out the dual sporting-elegant character of the watch. For daily wear, a Tuscan vegetable-tanned calf strap offers robustness and develops a noble patina over time. For aquatic or sporting environments, vulcanised rubber or woven nylon NATO straps are the most technically appropriate choices.

The strap is removed using a Y-shaped spring bar tool or a thin flexible blade inserted into the spring bar connecting the strap to the case. Applying gentle inward pressure compresses the spring bar and releases the strap. The operation is fully reversible and does not require professional tools, though it is advisable to work on a soft surface to protect the polished surfaces of the 42mm case.

Yes. Any strap with a 22mm lug width is technically compatible with the Breitling Superocean Heritage AB3111361L1A1. Milano Straps produces bespoke handcrafted straps in alligator, vegetable-tanned calf, shell cordovan and rubber, also available with a steel deployant clasp. They can be ordered online or fully customised at the Casati Milano atelier.

The lifespan of a leather strap depends on the tanning quality, leather thickness and frequency of use. A handcrafted vegetable-tanned calf strap, maintained with neutral wax and protected from excessive moisture, typically lasts 3 to 5 years with daily wear. Shell cordovan, owing to its dense fibrous structure, can exceed 7 to 10 years. Milano Straps provides an 18-month warranty against manufacturing defects on all its straps.