Technical Archive

Breitling
Superocean Heritage AB3110361L1S1— lug 20mm

Breitling Superocean Heritage AB3110361L1S1: 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 / Rubber

Artisanal Note

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

Technical Specifications

Breitling AB3110361L1S1
Lug Width
20 mm

The essential strap measurement.

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Reference

AB3110361L1S1

Movement

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

The Heritage

The Breitling Superocean Heritage AB3110361L1S1 is a 40mm stainless steel sports watch with black ceramic bezel, descended from the original 1950s Superocean designed for professional divers. It features the in-house Breitling B31 movement with COSC chronometer certification, ensuring accuracy within ±2 seconds per day, and offers 200 meters water resistance. The 20mm lug width accommodates a full range of compatible straps in various materials and closures, making it versatile for both diving and everyday wear.

FAQ

What is the lug width of the Breitling Superocean Heritage AB3110361L1S1?

The Breitling Superocean Heritage AB3110361L1S1 features a standard lug width of 20mm. This measurement should be taken with a millimetre calliper between the two horizontal lugs, with the case lying flat on a surface. Any strap with a 20mm attachment will be fully compatible with this reference.

What is the best strap for the Breitling Superocean Heritage AB3110361L1S1?

The ideal choice depends on the intended use. For formal or smart-casual wear, a vegetable-tanned alligator strap with a matte finish, fitted with a steel or deployant clasp, complements the character of the watch. For sporting or marine use, a vulcanised rubber or technical nylon NATO strap honours the original diving heritage of the model. The correct strap width to order is 20mm at the lug.

How do you change the strap on a Breitling Superocean Heritage AB3110361L1S1?

The strap is removed using a springbar tool. The 20mm springbars are housed within the two case lugs. Compress the springbar on one side, slide out the strap, and repeat on the other side. It is advisable to work on a soft surface to protect the ceramic bezel from accidental scratches. The entire process takes approximately 2 to 3 minutes, even for those with no prior experience.

Are there aftermarket straps compatible with the Breitling Superocean Heritage AB3110361L1S1?

Yes. Any strap with a 20mm lug attachment is technically compatible with the Breitling Superocean Heritage AB3110361L1S1. High-quality artisan aftermarket straps, such as those produced by Casati Milano, are crafted to the same standard OEM dimensions and ensure a precise fit without any case modification. It is worth checking the curvature of the strap ends to match the lug profile.

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

The lifespan of a leather strap depends on the material, tanning method and frequency of use. A vegetable-tanned alligator strap, properly maintained with leather conditioner and kept away from regular water exposure, can last between 3 and 7 years while retaining an excellent appearance. Calf leather typically lasts 2 to 4 years. Regular exposure to perspiration, salt water or solvents significantly reduces strap life. For marine environments, alternating with a rubber or NATO strap is strongly recommended.