Technical Archive

Breitling
Galactic C3733012/C831/215X/A16BA.1— lug 18mm

Breitling Galactic C3733012/C831/215X/A16BA.1: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Galactic 36 Automatic Stainless Steel / Rose Gold / Gun Blue / Sahara

Artisanal Note

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

Technical Specifications

Breitling C3733012/C831/215X/A16BA.1
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

C3733012/C831/215X/A16BA.1

Movement

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

The Heritage

The Galactic uses the Breitling 37 caliber with indication of hours, minutes, small seconds and date. The model has 18mm lugs and reference C3733012/C831/215X/A16BA.1. The small seconds function is integrated into the movement along with the calendar complication.

FAQ

What is the lug width of the Breitling Galactic C3733012/C831/215X/A16BA.1?

The lug width of the Breitling Galactic C3733012/C831/215X/A16BA.1 is 18mm. This measurement should be taken internally between the two lugs using a digital calliper, positioned parallel to the case at its narrowest point. A strap of constant 18mm width is the technically correct choice for this reference.

What is the best strap for the Breitling Galactic 36 in rose gold and steel?

For the two-tone rose gold and steel combination of the Galactic 36, the most suitable materials are vegetable-tanned calfskin in cognac or bordeaux, polished Mississippiensis alligator with umbilical grain, and whisky or natural tan shell cordovan. A deployant clasp in steel or rose gold is the most coherent closure for the formal register of this watch. Polished black leather is inadvisable as it tends to chromatically isolate the two-tone case.

How do I change the strap on the Breitling Galactic C3733012/C831/215X/A16BA.1?

Strap replacement requires a fine-tipped springbar tool or lug lever. Compress the springbars inside the lugs and slide out the original strap. The Galactic 36 features straight, non-tapered lugs: when fitting a replacement, ensure the new 18mm strap maintains a consistent width at the attachment point to guarantee a secure, play-free fit.

Are there aftermarket straps compatible with the Breitling Galactic 36?

Yes. The Breitling Galactic C3733012/C831/215X/A16BA.1 uses a standard 18mm lug width, making a wide range of artisan aftermarket straps available. On milanostraps.it you will find straps in calfskin, alligator, shell cordovan and technical materials, all selected specifically for 18mm lugs with an attachment geometry compatible with the straight lugs of this reference.

How long does a leather strap last on a Breitling Galactic 36?

The lifespan of a leather strap depends on the material, care and daily use. A quality vegetable-tanned calfskin strap worn daily typically lasts 18 to 36 months. Shell cordovan, owing to the density of the equine subcutaneous fibres, can last 3 to 5 years with proper maintenance. Alligator develops a characteristic patina over time and generally lasts 2 to 4 years. Avoiding prolonged contact with water and perspiration significantly extends the life of any leather strap.