Technical Archive

Breitling
Superocean Heritage AB3110361L1A1— lug 20mm

Breitling Superocean Heritage AB3110361L1A1: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Superocean Heritage B31 Automatic 40 Stainless Steel / Green / Milanese

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling AB3110361L1A1
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

AB3110361L1A1

Movement

Breitling caliber Caliber B31 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Breitling Superocean Heritage AB3110361L1A1 is a 40mm stainless steel automatic watch combining precision aviation instrumentation with underwater robustness. It features the Breitling B31 COSC-certified movement, ceramic bezel, ice-blue dial with applied indices, and 200m water resistance. The 20mm lug width ensures compatibility with standard aftermarket straps.

FAQ

What is the lug width of the Breitling Superocean Heritage AB3110361L1A1?

The lug width of the Breitling Superocean Heritage AB3110361L1A1 is 20mm. This measurement is taken internally between the two lower lugs of the case using a calliper. Any aftermarket strap with a 20mm attachment is compatible with this reference.

What is the best strap for the Breitling Superocean Heritage AB3110361L1A1?

The ideal choice depends on intended use. For formal occasions, alligator leather or vegetable-tanned calf provides a refined complement to the steel and ceramic case. For sporting or nautical use, vulcanised rubber offers the most functional solution. Ballistic nylon NATO straps echo the original Superocean military spirit. All options require a 20mm attachment.

How do you change the strap on the Breitling Superocean Heritage AB3110361L1A1?

The strap is replaced by removing the two spring bars that secure it to the case lugs, using a dedicated springbar tool. The operation does not require opening the caseback or professional intervention, but it is advisable to work on a soft surface to avoid scratching the case or the ceramic bezel. The replacement strap must have a 20mm attachment.

Are there aftermarket straps compatible with the Breitling Superocean Heritage AB3110361L1A1?

Yes. Any strap with a 20mm attachment is technically compatible with the Breitling Superocean Heritage AB3110361L1A1. Milanostraps.it offers a curated selection of handcrafted leather, rubber and nylon straps in this size, produced with materials and finishing standards comparable to the original Breitling offering.

How long does a leather strap last on the Breitling Superocean Heritage AB3110361L1A1?

The lifespan of a leather strap depends on the quality of the hide, frequency of use and exposure to perspiration and water. A high-quality vegetable-tanned calf or alligator strap, worn daily under normal conditions, typically lasts between 18 and 36 months. Casati Milano straps carry an 18-month warranty against manufacturing defects.