Strap for Navitimer B19 Chronograph 43 Perpetual Calendar 140th Anniversary

The Breitling Navitimer RB19101A1H1P1 features a 22mm lug width. This measurement is standard across the entire Navitimer line with a 43mm case and determines the strap width required for any compatible replacement.

For an 18-carat red gold case, the most fitting strap is an alligator leather in vegetable tanning, ideally in cognac, bordeaux or tobacco tones. The natural grain of the reptile leather and its developing patina complement the warm hues of red gold with material coherence. Shell cordovan and high-grade smooth calf leather are equally refined alternatives.

The Navitimer uses standard 22mm spring bars, which can be removed using a dedicated springbar tool. Insert the tool into the lug hole to compress the spring bar and slide the strap free. No watchmaker is required, though care should be taken on precious metal cases to avoid scratching. A soft cloth placed beneath the case is recommended.

Yes. Any strap with a 22mm attachment is technically compatible with the Navitimer RB19101A1H1P1. Milano Straps offers a curated selection of handcrafted aftermarket straps — in alligator, calf leather, shell cordovan and rubber — made specifically for this lug width, with material quality and finishing at least comparable to original Breitling straps.

A quality leather strap on a Navitimer typically lasts between 18 and 36 months with daily wear, depending on the material, tanning method and level of care. Cordovan and vegetable-tanned alligator are the most durable due to their dense fibre structure. Prolonged exposure to perspiration and moisture accelerates deterioration; rotating between straps and applying a specialist leather conditioner periodically is strongly advised.