Technical Archive

Breitling
Galactic A71340L2.C778.166Z— lug 18mm

Breitling Galactic A71340L2.C778.166Z: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Galactic 30 Blue / Roman / Teju

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling A71340L2.C778.166Z
Lug Width
18 mm

The essential strap measurement.

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Reference

A71340L2.C778.166Z

Movement

Breitling caliber Caliber B71 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Galactic represents Breitling's offering in the segment of chronometer-certified watches. It is equipped with the automatic caliber B71 featuring hours, minutes, seconds and date indication. The reference A71340L2.C778.166Z features an integrated strap in the case design.

FAQ

What is the lug width of the Breitling Galactic A71340L2.C778.166Z?

The lug width of the Breitling Galactic A71340L2.C778.166Z is 18mm. This measurement should be taken with a digital calliper placed between the inner surfaces of both lugs, in direct contact with the case. A discrepancy of even one millimetre will affect both the aesthetics and functionality of the strap.

What is the best strap for the Breitling Galactic A71340L2.C778.166Z?

For the Breitling Galactic A71340L2.C778.166Z in polished stainless steel at 30mm, the most coherent materials are vegetable-tanned alligator belly and smooth box calf. Both complement the metallic case finishing without overpowering the dial. For daily or sporting use, a vulcanised rubber strap is a solid technical alternative.

How do you change the strap on a Breitling Galactic A71340L2.C778.166Z?

Strap replacement requires a springbar tool, inserted into the lateral hole of the lug to compress the spring bars. On the A71340L2.C778.166Z the integrated lug design calls for particular care to avoid scratching the polished surfaces. If in doubt, the operation should be entrusted to a watchmaker or specialist atelier.

Are there aftermarket straps compatible with the Breitling Galactic A71340L2.C778.166Z?

Yes. Any strap with an 18mm attachment width and a straight or slightly tapered end is compatible with the Breitling Galactic A71340L2.C778.166Z. Milano Straps offers a curated selection of handcrafted 18mm straps in leather, rubber and fabric, with bespoke options available through the Casati Milano atelier.

How long does a leather strap last on a Breitling Galactic A71340L2.C778.166Z?

Longevity depends on material and usage. A quality alligator or shell cordovan strap, properly cared for and not routinely exposed to water, can last between 3 and 7 years while retaining structural integrity and patina. Smooth calf leather typically has a shorter lifespan of 2 to 4 years. The Casati Milano guarantee covers manufacturing defects for 18 months from purchase.