Technical Archive

Breitling
Superocean A17365D2/A766/161A— lug 20mm

Breitling Superocean A17365D2/A766/161A: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Superocean II 42 Stainless Steel / White / Japan Special Edition

Artisanal Note

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

Technical Specifications

Breitling A17365D2/A766/161A
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

A17365D2/A766/161A

Movement

Breitling caliber Caliber 17 Hours, Minutes, Seconds | Date

The Heritage

The Breitling Superocean II 42 Stainless Steel White Japan Special Edition (reference A17365D2/A766/161A) features a 42mm stainless steel case with satin finish, unidirectional ceramic bezel, and screw-down crown. The black dial displays SuperLuminova indices and hands for visibility in low-light conditions, with hour, minute, second, and date functions at 3 o'clock. Powered by Caliber 17, an automatic movement with bidirectional rotor and approximately 38-hour power reserve, regulated to COSC standards. The watch is water-resistant to 300 meters with a screw-down caseback. The 20mm lug width accommodates a wide range of aftermarket straps.

FAQ

What is the lug width of the Breitling Superocean A17365D2/A766/161A?

The lug width of the Breitling Superocean A17365D2/A766/161A is 20mm. This measurement refers to the internal distance between the two lugs of the case and determines the correct strap width. It is advisable to confirm this using a digital calliper placed between the lugs flush against the case, to rule out any variation caused by wear or previous strap changes.

What is the best strap for the Breitling Superocean A17365D2/A766/161A?

The ideal choice depends on the intended use. For sporting or aquatic contexts, vulcanised rubber is the most functional option and the most coherent with the diver DNA of the watch. For urban or formal wear, a vegetable-tanned calfskin or a polished alligator strap adds character and refinement. A NATO nylon strap offers lightweight versatility and an extensive colour range. In all cases, the 20mm lug width ensures broad compatibility with premium aftermarket and bespoke straps.

How do you change the strap on a Breitling Superocean A17365D2/A766/161A?

Strap replacement requires the removal of the spring bars securing the strap to the case lugs. A double-ended spring bar tool is inserted into the slot on the inner surface of each lug. Compressing the spring bar on one side allows the strap to be released; the new strap is fitted by reversing the procedure. The operation can be performed carefully at home, but entrusting it to a watchmaker or specialist atelier is recommended to avoid scratching the lug surfaces.

Are there aftermarket straps compatible with the Breitling Superocean A17365D2/A766/161A?

Yes. Any strap with a 20mm lug width is technically compatible with the Breitling Superocean A17365D2/A766/161A, provided the spring bars are of the correct diameter (typically 1.8mm) and appropriate length. Milanostraps.it offers a curated selection of handcrafted aftermarket straps in various leathers and materials, produced to standards consistent with the quality of the timepiece.

How long does a leather strap last on a Breitling Superocean A17365D2/A766/161A?

Longevity depends on the quality of the tanning process, exposure to perspiration and moisture, and frequency of use. A vegetable-tanned calfskin strap, properly maintained with wax or specialist cream, can last between two and five years with daily wear. Shell cordovan, owing to its densely compacted fibre structure, tends to offer superior resistance to humidity. Given the aquatic nature of the Superocean, alternating a leather strap with a rubber one during water activities is strongly recommended to preserve the integrity of the leather over time.