Breitling · Aerospace

Strap for Aerospace Evo Titanium / Black / Rubber / Pin

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter43 mm
ReferenceE7936310/BC27/152S/A20SS.1
FamilyAerospace
MovementBreitling caliber 79 Additional 12 hours Hand (adjustable), Additional 24 hours Hand (adjustable), hours, minutes, seconds | date, day, perpetual calendar | Chronograph | alarm | power reserve indicator, chronometer
Year2013
CaseTitanium

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Aerospace E7936310/BC27/152S/A20SS.1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Aerospace E7936310/BC27/152S/A20SS.1, seen from the bench

The Breitling Aerospace E7936310/BC27/152S/A20SS.1 is a professional instrument watch developed in the 1980s for the Swiss Air Force's Patrouille Suisse. The 43 mm titanium case combines lightweight construction with structural strength, while the Breitling Caliber 79 SuperQuartz thermocompensated movement delivers COSC-certified accuracy within ±15 seconds per year. Features include chronograph, 24-hour indicator, perpetual calendar, alarm, and power reserve indicator. The 22 mm lug width is designed for secure wear over flight suits.

Frequently asked questions

What is the lug width of the Breitling Aerospace E7936310/BC27/152S/A20SS.1?

The Breitling Aerospace E7936310/BC27/152S/A20SS.1 has a lug width of 22 mm. This measurement refers to the internal distance between the two lugs of the titanium case and determines the compatible strap width. It is advisable to verify this on your own piece using a millimetre calliper.

What is the best strap for the Breitling Aerospace E7936310/BC27/152S/A20SS.1?

The choice depends on the intended use. For everyday professional wear, black or tobacco-brown vegetable-tanned calf leather offers durability and develops a natural patina over time. For maximum fidelity to the model's aeronautical identity, a premium nylon NATO strap is the most consistent choice. Alligator leather suits formal contexts. Vulcanised rubber is preferable for sport or high water-exposure activities.

How do you change the strap on the Breitling Aerospace E7936310/BC27/152S/A20SS.1?

The strap is removed using a fine-tipped spring bar tool: compress the spring bar housed within the lug and slide the strap out laterally. The titanium lugs of the Breitling Aerospace require care — it is advisable to use a tool with a plastic or PTFE-tipped pin to avoid scratching the brushed surface.

Are there aftermarket straps compatible with the Breitling Aerospace E7936310/BC27/152S/A20SS.1?

Yes. Any strap with a 22 mm attachment width is technically compatible with the Breitling Aerospace E7936310/BC27/152S/A20SS.1. milanostraps.it offers a selection of Italian handcrafted straps in various leathers and materials, calibrated to this width and available in different lengths and closure types, including deployant clasps.

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

The longevity of a leather strap depends on the quality of the tanning, the thickness, and the conditions of use. A high-quality vegetable-tanned calf leather strap can last between 2 and 4 years with daily wear. Alligator leather, owing to the structure of its natural fibre, tends to last longer when properly maintained. Prolonged exposure to water and perspiration should be avoided to preserve the strap's integrity.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only