Strap for Galactic 36 Automatic Stainless Steel / Pearl Diamond / Calf

The Breitling Galactic reference A3733012/A717/412X/A16BA.1 has a lug width of 18mm. This measurement should be taken with a digital calliper positioned between the two lugs at their narrowest point, closest to the case. Any standard 18mm strap is directly compatible with this reference without modification.

For the Galactic 36mm in stainless steel, the most aesthetically coherent options are a fine-grain vegetable-tanned calf leather strap for everyday sport-elegant wear, and a symmetric belly alligator strap for formal occasions. Vulcanised rubber suits intensive or humid-environment use. The pairing depends on dial colour: navy or cognac work well with blue dials; tobacco brown complements black or anthracite dials particularly well.

The strap is removed using a springbar tool inserted into the lug slot to compress the springbars on both sides simultaneously. Care should be taken to protect the polished case surfaces with a microfibre cloth during the operation. The new strap is fitted in reverse order, ensuring both springbars are fully engaged before applying pressure to seat them correctly.

Yes. The Galactic A3733012/A717/412X/A16BA.1 uses a standard 18mm lug width, fully compatible with any aftermarket strap of that size. Milano Straps offers a curated selection of handcrafted leather, alligator, NATO, and rubber straps with an 18mm fitting, produced with materials and finishing standards that are comparable — and often superior — to the factory original, with full customisation available.

The lifespan of a leather strap depends on the quality of the tanning, frequency of use, and exposure to moisture and perspiration. A quality calf leather strap, worn in rotation with other straps, typically lasts 18 to 36 months before showing significant wear. High-grade alligator or vegetable-tanned leather straps, with periodic conditioning (nourishing cream, storage away from heat sources), can exceed 3 to 4 years whilst developing a distinguished patina.