Technical Archive

Breitling
Galactic A3733012/BD02/213X/A16BA.1— lug 18mm

Breitling Galactic A3733012/BD02/213X/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/BD02/213X/A16BA.1
Lug Width
18 mm

The essential strap measurement.

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Reference

A3733012/BD02/213X/A16BA.1

Movement

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

The Heritage

The Breitling Galactic features the automatic Caliber 37 with functions of hours, minutes, small seconds and date. The model has 18mm lugs and belongs to the brand's sport-elegant collection. The reference A3733012/BD02/213X/A16BA.1 identifies this specific configuration of the timepiece.

FAQ

What is the lug width of the Breitling Galactic A3733012/BD02/213X/A16BA.1?

The Breitling Galactic A3733012/BD02/213X/A16BA.1 features a lug width of 18 mm. This measurement should be taken with a digital calliper placed between the lugs at the point where they meet the case. Any aftermarket strap must specify 18 mm at the lug end to ensure a proper fit and correct aesthetic proportions.

What is the best strap for the Breitling Galactic 36?

For the 36 mm Galactic, an alligator strap with vegetable tanning and a polished finish is the most coherent choice given the model's dressy-sport character. Alternatively, Tuscan calfskin with vegetable tanning develops a rich natural patina over time. For more active use or warmer seasons, a technical nylon NATO or a vulcanised rubber strap offers functional performance without aesthetic compromise.

How do you change the strap on the Breitling Galactic A3733012/BD02/213X/A16BA.1?

Strap replacement on the Galactic 36 is carried out via standard 18 mm spring bars. A forked spring bar tool or a flat-head watchmaker's screwdriver is sufficient to compress the spring bars and release the strap from the lugs. It is advisable to work on a soft surface to avoid scratching the stainless steel case, and to ensure the replacement spring bars have the correct diameter (typically 1.5 mm) for a secure fit.

Are there compatible aftermarket straps for the Breitling Galactic 36?

Yes. The Breitling Galactic 36 uses a standard 18 mm lug attachment, making it compatible with a wide range of artisan aftermarket straps. Milano Straps produces both bespoke and ready-to-ship straps specifically for this lug width, available in alligator, calfskin, shell cordovan, NATO, and rubber. It is essential that the strap measures 18 mm at the lug end and ideally 16 mm at the buckle end for a proportionate profile.

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

The lifespan of a leather strap depends on the material, tanning method, and frequency of wear. A quality vegetable-tanned calfskin strap, with standard care, typically lasts between 2 and 4 years with daily use. Alligator leather, owing to the dense fibre structure of its scales, can exceed 5 years if kept away from water and heavy perspiration. Regular application of a neutral conditioner free from silicones significantly extends the strap's service life.