Technical Archive

Breitling
Galactic A3733012/BD02/217X/A16BA.1— lug 18mm

Breitling Galactic A3733012/BD02/217X/A16BA.1: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Galactic 36 Automatic Stainless Steel / Volcano Black Diamond / Sahara

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling A3733012/BD02/217X/A16BA.1
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

A3733012/BD02/217X/A16BA.1

Movement

Breitling caliber Caliber 37 Hours, Minutes, Small Seconds | Date

The Heritage

The Breitling Galactic features the Caliber 37 with hour, minute, small second and date functions. The model has 18mm lugs and belongs to the brand's contemporary collection. The reference A3733012/BD02/217X/A16BA.1 identifies this specific configuration of the timepiece.

FAQ

What is the lug width of the Breitling Galactic A3733012/BD02/217X/A16BA.1?

The native lug width of the Breitling Galactic A3733012/BD02/217X/A16BA.1 is 18mm. This measurement should be taken with a digital calliper inside the lug channel where the spring bar sits. Any strap with an 18mm attachment is directly compatible without adapters.

What is the best strap for the Breitling Galactic 36mm?

For the stainless steel Galactic 36, a centre-cut alligator strap in vegetable-tanned leather is the option that best complements the model's formal character. Alternatively, box-calf or shell cordovan offer superior character and longevity. For sportier use, a woven nylon NATO or a vulcanised rubber strap maintain the model's aesthetic coherence. The correct width is 18mm.

How do you change the strap on a Breitling Galactic?

To replace the strap on the Breitling Galactic, you will need a fine-tipped spring bar tool. Insert the tip into the lug slot, compress the spring bar inward and slide the strap free. Care should be taken to avoid scratching the steel lugs; placing a soft cloth under the case is recommended. The 18mm spring bar should be reused or replaced with one of the correct diameter.

Are there aftermarket straps compatible with the Breitling Galactic A3733012/BD02/217X/A16BA.1?

Yes. Any strap with an 18mm attachment and standard length (short 70mm, long 115mm) is compatible with the Breitling Galactic A3733012/BD02/217X/A16BA.1. Milanostraps.it offers a curated selection of aftermarket straps in various materials — leather, alligator, NATO, rubber — all produced with a native 18mm fitting, requiring no adapters.

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

The lifespan of a leather strap depends on the material, care and frequency of use. A standard-quality calf strap has an average life of 12–18 months with daily wear. Vegetable-tanned alligator, owing to its dense fibre structure, can last 3–5 years whilst developing an elegant patina. Shell cordovan frequently exceeds 5 years. Regular application of leather conditioner and rotating between straps will significantly extend service life.