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Breitling · Colt

Strap for Colt GMT

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm
20 mm strapsAll Breitling
Lug width20 mm
Case diameter41 mm
ReferenceA3235011G567
FamilyColt
MovementBreitling caliber Caliber 32 Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable) | Date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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The Colt A3235011G567, seen from the bench

The Breitling Colt A3235011G567 is a professional aviation instrument with a 40.50 mm stainless steel case and 20 mm lug width. It features the Caliber 32 automatic movement with hours, minutes, seconds, date, and an independently adjustable 24-hour hand for dual time zone monitoring. The high-contrast dial, luminescent applied indices, and graduated bezel ensure readability under stress, while the domed sapphire crystal with anti-reflective coating and screw-down caseback provide water resistance and durability.

Frequently asked questions

What is the lug width of the Breitling Colt A3235011G567?

The Breitling Colt A3235011G567 has a lug width of 20 mm. This measurement should be taken with a digital calliper on the inner face of the lugs, at their narrowest point, to ensure a correct strap fit with no lateral play.

What is the best strap for the Breitling Colt A3235011G567?

The most suitable materials for the Colt A3235011G567 are: hornback alligator for an elegant and durable pairing, vegetable-tanned calfskin for a progressive patina, vulcanised rubber for sport use or humid environments, and ballistic nylon NATO for maximum fidelity to the model's aeronautical heritage.

How do I change the strap on a Breitling Colt A3235011G567?

The strap is removed using a spring bar tool, applying gentle lever pressure on the inner flange of each spring bar. The Colt's lugs feature lateral access holes. It is advisable to work on a soft surface to protect the case, and to replace spring bars if they show any signs of deformation.

Are there aftermarket straps compatible with the Breitling Colt A3235011G567?

Yes, the aftermarket offers a range of 20 mm straps compatible with this reference. For an optimal fit, it is essential to ensure the strap features curved ends matching the lug profile of the Colt. Milanostraps.it offers a curated selection of handcrafted 20 mm straps specifically suited to this specification.

How long does a leather strap last on a Breitling Colt A3235011G567?

Longevity depends on material and use. An alligator or vegetable-tanned calfskin strap, properly maintained — periodic conditioning, rotation with other straps, protection from moisture — will retain its structural and aesthetic integrity for 3 to 5 years of regular wear. Casati Milano straps carry an 18-month warranty against manufacturing defects.

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