Breitling · Galactic

Strap for Galactic Chronograph II

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

Lug width20 mm
Case diameter44 mm
ReferenceA1336410M512743P
FamilyGalactic
MovementBreitling caliber Caliber 13 Hours, Minutes, Small Seconds | Date | Chronograph
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The Galactic A1336410M512743P, seen from the bench

The Breitling Galactic A1336410M512743P is a 44mm stainless steel chronograph belonging to the Galactic family, featuring a round case with integrated bezel designed for aviation use. Equipped with the automatic Breitling Caliber 13 movement (COSC-certified), it offers chronograph functions with hours, minutes, small seconds, and date display. The 20mm lug width accommodates a wide range of aftermarket and custom straps, with the lug geometry ensuring seamless visual continuity without steps or misalignment.

Frequently asked questions

What is the lug width of the Breitling Galactic A1336410M512743P?

The lug width of the Breitling Galactic A1336410M512743P is 20mm. This measurement refers to the internal distance between the two lugs of the case and is the essential parameter for selecting a compatible strap. It is advisable to confirm the measurement with a digital calliper on the physical watch before purchasing a replacement strap.

What is the best strap for the Breitling Galactic A1336410M512743P?

For the 44mm Breitling Galactic A1336410M512743P, the most complementary options are vegetable-tanned alligator leather for formal occasions, structured-grain calf leather for versatile everyday wear, or vulcanised rubber with a steel deployant clasp for sporting or marine environments. The ideal choice depends on the dial colour and predominant use.

How do you change the strap on the Breitling Galactic A1336410M512743P?

The strap on the Breitling Galactic A1336410M512743P is secured via spring bars fitted between the case lugs. Use a double-ended springbar tool to release the bars without marking the steel. The operation can be performed at home with care, though for a timepiece of this calibre, it is advisable to consult a watchmaker or a specialist atelier.

Are there aftermarket straps compatible with the Breitling Galactic A1336410M512743P?

Yes, the Breitling Galactic A1336410M512743P uses a standard 20mm lug width, making it compatible with a wide range of quality aftermarket straps. Milano Straps offers handcrafted leather, NATO, rubber, and exotic-skin straps specifically curated for this lug size, available both as ready-to-wear pieces online and as bespoke commissions through the Casati Milano atelier.

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

The lifespan of a leather strap depends on hide quality, tanning method, and usage habits. A premium vegetable-tanned alligator strap, conditioned regularly with a neutral cream and kept away from direct moisture, can last between three and seven years while retaining full structural integrity. Shell cordovan is renowned for above-average longevity due to its dense, compact fibre structure. Use during physical activity or in humid conditions will noticeably reduce the strap's service life.

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