Strap for Avenger II GMT Stainless Steel / Mariner Blue / Calf / Folding

The lug width of the Breitling Avenger A3239011/C872/112X/A20D.1 is 22mm. This measurement refers to the internal distance between the two lugs of the case and determines the correct strap width. To verify it on your own piece, use a digital calliper placed flush against the case at the lug opening.

Given the 43mm case of the Avenger, the most suitable materials are vegetable-tanned calfskin for everyday wear, Hornback alligator for formal occasions, and vulcanised rubber for sport or marine use. Shell cordovan offers the greatest long-term durability. All options must feature a 22mm attachment width to ensure correct fitment with the original lugs.

Strap replacement is carried out via the spring bars seated within the case lugs. A dedicated spring bar tool with a forked or flat blade is required to compress the bars and release the strap. It is advisable to work on a soft surface to avoid scratching the case. If in doubt, entrust the operation to a qualified watchmaker or authorised retailer.

Yes, a wide range of aftermarket straps at 22mm are compatible with the Avenger A3239011/C872/112X/A20D.1. It is essential to confirm that the lug-end width is precisely 22mm and that the spring bars are of adequate quality. Milano Straps offers handcrafted straps in leather, rubber, and ballistic nylon, calibrated specifically for this width and consistent with the technical-professional aesthetic of the Avenger.

The lifespan of a leather strap depends on the material, care routine, and frequency of use. A quality vegetable-tanned calfskin strap typically lasts 2–4 years with daily wear. Shell cordovan, owing to its dense fibre structure, can exceed 5–7 years. To extend strap life, avoid prolonged exposure to water and perspiration, apply a neutral leather conditioner occasionally, and rotate between multiple straps.