Strap for Navitimer B01 Chronograph 43 Stainless Steel / Mint Green / Alligator - Folding

The lug width of the Navitimer AB0138241L1P1 is 22mm. This measurement is specific to the model and is determined by the geometry of its curved lugs. To verify it accurately, use a digital calliper placed directly between the lugs at the point where the strap meets the case, not across the outer surface of the lugs.

For the 43mm Navitimer with its black dial and ivory-toned sub-registers, a Louisiana alligator strap in tobacco or cognac offers the most coherent pairing: it balances the technical complexity of the dial with understated elegance. Vegetable-tanned Italian calf develops a natural patina in keeping with the aviator aesthetic, while a ballistic nylon NATO references the model's military heritage.

Strap removal requires a spring bar tool with a forked tip. Insert the tip into the small notch between the lug and the strap end, compress the spring bar inward and lift the strap free. Protect the lugs with a soft cloth to avoid scratching the brushed steel. The operation takes approximately two minutes and requires no case disassembly.

Yes. Any strap with a 22mm attachment width is compatible with the Navitimer AB0138241L1P1. Ensure the spring bars are 1.5mm in diameter and that the strap length (typically 75mm short side, 115mm long side) suits your wrist circumference. Milano Straps offers a curated range of handcrafted Italian straps in 22mm, with customisable tapering options.

Strap longevity depends on material and usage habits. A vegetable-tanned calf strap, properly maintained and rotated with other straps, typically lasts two to four years. High-grade alligator can last four to six years owing to its denser fibre structure. The primary cause of deterioration is perspiration: avoid prolonged exposure to moisture and apply a neutral leather conditioner periodically to extend service life.