Strap for Super AVI B04 Chronograph GMT 46 Corsair

The Breitling AVI AB04451A1C1X1 features a 24mm lug width. This dimension is standard for medium-to-large aviator cases and can be verified by measuring the internal distance between the two metal lugs positioned at 12 o'clock and 6 o'clock. Respecting this specification ensures uniform load distribution and stable wrist fit throughout daily wear and operation.

Several options are advised for this aviator chronograph: alligator offers refined aesthetics and develops authentic patina over time; vegetable-tanned calf guarantees tactile authenticity; marine-grade cordura NATO ensures operational practicality; FKM rubber represents maximum durability in humid environments. The choice depends on intended use and personal preferences regarding texture and maintenance requirements.

The strap is replaced by removing the spring bars using a dedicated tool. Position the tool in the small lateral groove of the bar, apply gentle pressure until the bar disengages from its seat, then extract it completely. Repeat for the second bar. To install the new strap, align the lug holes with the spring bars and press until an audible click confirms full insertion. Verify that both bars are completely seated in both lugs.

Any strap featuring a 24mm lug width is compatible with this model, provided the internal width between spring bars matches precisely. Dozens of options exist: full-grain leather, shell cordovan, technical textiles, military NATOs, vulcanised rubber straps. Milano Straps offers an extensive selection of 24mm straps ready for dispatch, customisable in length, personalised initials, and stitching thread colour.

Leather strap durability depends on material, tanning method, and intensity of use. Quality vegetable-tanned calf typically resists 3-5 years of daily wear; shell cordovan can exceed 8-10 years due to its denser structure and protective patina development. NATO straps and rubber straps offer indefinite durability if maintained regularly. Casati Milano provides an 18-month warranty on all bespoke straps.