Technical Archive

Breitling
Superocean A17366D81A1S2— lug 20mm

Breitling Superocean A17366D81A1S2: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Superocean 42 Stainless Steel / White / Rubber / Folding

Artisanal Note

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

Technical Specifications

Breitling A17366D81A1S2
Lug Width
20 mm

The essential strap measurement.

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Reference

A17366D81A1S2

Movement

Breitling caliber Caliber 17 Hours, Minutes, Seconds | Date

The Heritage

The Superocean represents Breitling's line of diving watches, equipped with the Breitling 17 automatic caliber. The movement offers hours, minutes, seconds and date indication. The watch features 20mm lugs for the strap.

FAQ

What is the lug width of the Breitling Superocean A17366D81A1S2?

The Breitling Superocean A17366D81A1S2 features a 20mm lug width. This measurement is taken between the inner edges of the case lugs at the point where the strap attaches, and is best confirmed using a digital calliper for accuracy.

What is the best strap for the Breitling Superocean 42mm?

It depends on the context. For formal or business wear, a vegetable-tanned alligator strap in 20mm with a brushed steel buckle offers the most refined pairing. For water use or active sport, a vulcanised rubber or ballistic nylon NATO strap provides superior performance and longevity.

How do I change the strap on the Breitling Superocean A17366D81A1S2?

Use a spring bar tool — either a lever or pointed tip — to compress the spring bars connecting the strap to the case lugs. Work on a soft surface to protect the satin-finished case from scratches. The operation requires no specialist tools, though first-timers may prefer to have a watchmaker perform the change.

Are there aftermarket straps compatible with the Breitling Superocean 42mm?

Yes. Any strap with a 20mm lug width is technically compatible with the Breitling Superocean 42mm. Milanostraps.it offers a curated selection of handcrafted straps in leather, rubber, and NATO, all fitted with standard 20mm spring bars compatible with this case.

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

Longevity depends on the material and usage. A vegetable-tanned alligator strap, properly maintained and kept away from prolonged water exposure, can last between three and six years while developing a distinguished patina. Salt water and perspiration accelerate deterioration; for diving or intensive sport use, alternating with a rubber or NATO strap is strongly advisable.