Bremont
ALT1 ALT1PBL— lug 22mm

The lug width of the Bremont ALT1-P BL is 22 mm. This measurement is standard across the ALT1 and ALT1-P family and is critical for selecting the correct aftermarket strap. You can verify the lug width by measuring the distance between the spring bars at the point where they exit the case.

For a chronograph with aviation heritage like the ALT1-P BL, we recommend vegetable-tanned calf leather for formal wear, shell cordovan for decade-long durability, or NATO and vulcanised rubber for humidity resistance and rapid field changes. Your choice depends on deployment environment: civil cockpit, maritime conditions, or general aviation operations.

Changing the Bremont ALT1 strap requires two tools: a spring bar tool and care not to scratch the case. Insert the tool tip beneath the pin from the underside, apply gentle pressure and rotate the pin outward; it will retract allowing strap removal. Repeat on the opposite side. Reverse the procedure for the new strap, ensuring a secure audible click.

Yes, any strap with a 22 mm lug width is compatible with the ALT1-P BL. Milano Straps stocks a comprehensive collection of 22 mm straps in artisanal leather, NATO and rubber, all tested and ready to ship. Always verify that your new strap's spring bars are the correct length for your case.

A vegetable-tanned calf leather strap maintains structural integrity for 4–6 years of daily wear, developing distinctive patina throughout. Shell cordovan can exceed 10 years thanks to fibre density. Longevity depends on humidity exposure, direct sunlight and maintenance frequency (periodic cleaning and conditioning). Vulcanised rubber straps last 7–8 years before replacement becomes necessary.