Strap for Galactic Unitime Black Steel / Diamondworks / Trophy Black / Rubber / Limited Edtion

The lug width of the Breitling Galactic MB3510AU.BF07.134S is 22 mm. This measurement should be taken with a digital calliper placed internally between the two lugs, at the point where they meet the case. This is the essential parameter for selecting a compatible replacement strap.

The most suitable strap depends on the intended use. For formal and semi-formal settings, a Tuscan vegetable-tanned calf leather or a Louisiana alligator strap with symmetrical scales best matches the calibre of the COSC-certified B35 movement. For sport use or humid environments, vulcanised rubber offers both performance and comfort. A heavy-duty NATO strap in nylon is ideal for those who wish to emphasise the brand's aeronautical heritage.

To replace the strap, a spring bar tool — either lever-style or fine-tipped — is required to remove the springbars connecting the strap to the case lugs. It is advisable to work on a soft surface to avoid scratching the stainless steel case. When fitting a deployant clasp, it is recommended to consult a watchmaker or skilled craftsman to ensure correct alignment and secure fastening.

Yes, the Breitling Galactic MB3510AU.BF07.134S features standard 22 mm lugs, a size well supported by high-quality artisan strap makers. MilanoStraps offers a curated selection of 22 mm leather, rubber, and NATO straps compatible with this reference, crafted with materials and finishing standards consistent with fine watchmaking.

The longevity of a leather strap depends on the material, frequency of wear, and maintenance. A quality vegetable-tanned calf strap, worn daily and properly cared for — avoiding prolonged contact with water and perspiration — will typically last between 18 and 36 months. A well-tanned alligator strap can exceed this, lasting up to 4–5 years. MilanoStraps provides an 18-month guarantee against manufacturing defects on all artisan straps.