Technical Archive

Breitling
Galactic A3733012/G706/112Z/A16BA.1— lug 18mm

Breitling Galactic A3733012/G706/112Z/A16BA.1: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Galactic 36 Automatic Stainless Steel / Stratus Silver / Teju

Artisanal Note

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

Technical Specifications

Breitling A3733012/G706/112Z/A16BA.1
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

A3733012/G706/112Z/A16BA.1

Movement

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

The Heritage

The Breitling Galactic A3733012/G706/112Z/A16BA.1 is a 36mm dress-sport watch featuring a stainless steel case with mixed satin/polished finish. It houses the Breitling Caliber 37, a COSC-certified in-house movement guaranteeing ±4 seconds/day precision. The dial displays hours, minutes, small seconds at 6 o'clock, and date. The lug width is 18mm, requiring a thin strap between 2.8mm and 3.5mm at the center to maintain proportions on a 36mm case.

FAQ

What is the lug width of the Breitling Galactic A3733012/G706/112Z/A16BA.1?

The lug width of the Breitling Galactic A3733012/G706/112Z/A16BA.1 is 18mm. This measurement should be taken with a digital calliper positioned internally between the two lugs of the case. It is essential to measure at the correct point — between the lugs, not at the outer edge — to ensure a strap fits without forcing and provides a precise, long-lasting fit.

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

For the 36mm Galactic with an 18mm lug width, a smooth vegetable-tanned calf leather strap is the most balanced choice: it offers a slim profile, develops a natural patina over time, and respects the proportions of the case. For a more formal register, Porosus alligator at 18mm is the correct selection. Those seeking everyday versatility may consider a technical nylon NATO strap, which keeps a low profile whilst offering immediate chromatic options.

How do you change the strap on the Breitling Galactic A3733012/G706/112Z/A16BA.1?

To replace the strap on the Breitling Galactic, a fine-tipped springbar tool is required. Insert it into the internal lug channel to compress the 18mm springbars, removing one side at a time. Care must be taken to avoid scratching the stainless steel surfaces: it is advisable to protect the case with low-tack masking tape beforehand, or to entrust the swap to a watchmaker or specialist atelier.

Are there aftermarket straps compatible with the Breitling Galactic A3733012/G706/112Z/A16BA.1?

Yes. Any strap with an 18mm lug width and standard springbars is compatible with the Breitling Galactic A3733012/G706/112Z/A16BA.1. The aftermarket offers solutions in leather, alligator, calf, shell cordovan, NATO, and rubber. Milano Straps provides a curated selection of handcrafted Italian 18mm straps, available in various finishes and colourways, with thicknesses calibrated to suit the Galactic's case architecture.

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

The lifespan of a leather strap depends on the material, construction, and daily usage. A quality vegetable-tanned calf strap, worn on an averagely active wrist, typically lasts 18 to 24 months before the internal fibres yield to repeated flexion. Shell cordovan and vegetable-tanned alligator, owing to their superior density, can exceed 3 to 4 years with correct maintenance (a leather conditioner applied every 2 to 3 months). Perspiration is the primary degradation agent: in summer or active contexts, alternating with a NATO or rubber strap is strongly advisable.