Strap for Super Avenger II Stainless Steel / Mariner Blue / Calf / Pin

The lug width of the Breitling Avenger A1337111/C871/439X/A20BA.1 is exactly 24mm. This measurement is taken from the left lug to the right lug (the attachment points where the strap connects to the case). This 24mm specification is standard for oversized Breitling models; any strap incompatible with 24mm width will not fit correctly.

For the Breitling Avenger A1337111/C871/439X/A20BA.1, we recommend vegetable-tanned Tuscan leather straps (dark brown, intense black, or cognac) for their balance between robustness and natural patina development over time. Alternatively, alligator represents the premium option with superior durability and elasticity, plus consistent grip in wet conditions. For marine or sports environments, technical rubber straps are highly performant.

Strap replacement uses spring bars—small metal pins positioned at the case lugs. Use a dedicated spring bar removal tool to release the pin: apply gentle lateral pressure on the small retractable post. Remove the old strap, align the new strap's bar pin with the lug hole, and allow it to snap into place. The operation takes seconds and causes no case damage.

Yes, any strap with a 24mm lug width is compatible. High-quality aftermarket straps (such as artisanal vegetable-tanned leather or alligator) will not damage your watch and often offer superior craftsmanship and customisation compared to original Breitling straps. The critical requirement is respecting the exact 24mm measurement.

A vegetable-tanned Tuscan leather strap typically lasts 3–5 years of daily wear before replacement becomes necessary, depending on humidity and perspiration exposure. With basic care (dry cloth cleaning, dry storage), longevity extends. Alligator withstands 5–7 years with greater resilience. Technical rubber maintains similar lifespan but develops no aesthetic patina over time.