Technical Archive

Breitling
Galactic A1336410E519131S— lug 20mm

Breitling Galactic A1336410E519131S: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Galactic Chronograph II

Artisanal Note

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

Technical Specifications

Breitling A1336410E519131S
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

A1336410E519131S

Movement

Breitling caliber Caliber 13 Hours, Minutes, Small Seconds | Date | Chronograph

The Heritage

The Breitling Galactic A1336410E519131S is a 44mm stainless steel chronograph featuring the in-house Breitling Caliber 13 automatic movement certified COSC, with integrated chronograph, hour, minute, small seconds and date display. The bidirectional rotating bezel, screw-down caseback and 200-meter water resistance position it as a high-legibility instrument watch. The strap lug width is 20mm, a standard size for this case diameter that accommodates a wide selection of aftermarket straps with compatible lug widths between 18 and 20mm.

FAQ

What is the lug width of the Breitling Galactic A1336410E519131S?

The Breitling Galactic A1336410E519131S has a lug width of 20mm. This measurement is taken with a digital calliper placed between the case lugs, parallel to the caseback. The 20mm standard ensures a wide range of compatible aftermarket straps.

What is the best strap for the Breitling Galactic A1336410E519131S?

For the 44mm steel Galactic, a vegetable-tanned calfskin strap offers the best balance of durability and elegance, developing a characteristic patina over time. Polished alligator is the preferred choice for formal settings, whilst NATO nylon or vulcanised rubber are better suited to intensive sport use or humid environments.

How do you change the strap on a Breitling Galactic A1336410E519131S?

Strap replacement requires a fine-tipped spring bar tool or a dedicated screwdriver. Compress the 20mm spring bar housed in the lug, remove the original strap and fit the new one, ensuring the spring bar clicks securely into both lug holes. With the correct tools, the operation takes approximately two minutes.

Are there aftermarket straps compatible with the Breitling Galactic A1336410E519131S?

Yes. Any strap with a 20mm attachment width is technically compatible with the Breitling Galactic A1336410E519131S. Milano Straps offers a curated selection of handcrafted straps in leather, alligator, NATO and rubber made specifically for this lug width, with buckle widths available between 18 and 20mm.

How long does a leather strap last on a Breitling Galactic A1336410E519131S?

Longevity depends on leather type and usage. A quality vegetable-tanned calfskin strap, with regular conditioning and rotation, will retain its structural and aesthetic integrity for 2–4 years. Alligator, being denser and more perspiration-resistant, can exceed 5 years with proper care. Prolonged water exposure significantly shortens strap life.